GSI Outdoors - Ultralight Java Drip Coffee Maker

Category: Camp Kitchen


Over the years, I've bounced around different ways to make my morning cuppa in the backcountry. I've grown weary of French presses -- too much space, the coffee get cold too quick despite all my efforts to insulate the press, and they're such a mess. I'd figured I'd go back to hauling my plastic filter basket, and then I saw this.


I agree with Dunes and Wadis. This is a way to "clean up" your cowboy coffee. Before I saw this I was thinking of looking for a tea strainer to do this job. This is lighter in weight and does a better job. Or this is a different way of making press coffee.


I was looking for a solution to getting good coffee while backpacking. This definitely works but I have issues with the cleanup. Without a paper filter it needs a rinse, unless you want to let coffee remains get stinky. I also tried it with #2 paper filters and that makes uses only a small amount of water to rinse the screen. I am not such a gram counter that I can't carry 3 or 4 papers in my pack. I just dry the papers and burn them in a campfire. The issue is that you have to filter all water for use in camp, which is work. I use a Sawyer squeeze filter, but it is slow. Trouble is, the coffee is still only so so at best. Am I really considering carrying my Aeropress in my backpack! Horrors! Gram counters are wilting as I type this!


My intended use of this is for an upcoming trail running trip where there will be very minimal facilities. But I brought this with me on a business trip this week and use it for the first time. I like it. Coffee made does not contains bits. Flow is faster than I expected (faster than most paper filter I've used) so you may need to add more than usual coffee grind to get the same strength. Clips hold onto most cups I tried. Cleaning is quite easy: just empty it over the toilet or sink and rinse.


This is not a "coffee maker". It is not for brewing coffee like an electric countertop coffee maker. Hauling paper filters around in addition to this filter would defeat the purpose of this ultra-minimalist device.


I'm not sure why the one reviewer complained about this straining too slowly, because I don't have that problem at all. I've been using it with espresso grind. It strains faster than paper, and works better than any other non-disposable filter I've used at home. It's a fine durable mesh that is also easier to clean than any other non-disposable I've used. It works on every cup I've tried, although it works better on wider cups. My only complaints, the legs seem a little fragile, and the cup clips don't hold as well on glossy surfaces.


I like this better than instant coffee. Rather than do the usual pour-over, I do the following:


Easy to clean and pack. Fits pretty much any coffee cup. I use mine with Nespresso Vertuoline coffee capsules. Just open the aluminum foil side of the hermetically sealed capsule and put the grounds into the cone filter. Pre-wet the grounds with a tad of hot water then let it sit 30 seconds before slowly pouring over 8 to 10 ounces of very hot (not boiling) water. The world's best coffee brewed fresh on the trail with unbelievable ease and no messy clean-up. Just turn the cone inside-out to clean with a little hot water. After more than 40 years drinking camp coffee I can finally brew the perfect cup no fuss no muss! I bought 3 of these as extra makers in case they stop making them! This item is the only filter made with fine enough mesh to brew pour-through using a minimal amount of very finely ground coffee. A real space-saver!


Doesn't work so well with smaller diameter containers like my new Hydroflask which has a 2.25" diameter opening since this cone is completely made of mesh and is 4..2" diameter. The spillage is less if the cone is not completely filled but it will still happen.


Finally found a perfect backpacking coffee solution in the GSI brewer.


I use this filter on my regular coffee mugs everyday with the GSI percolator, at home or out camping. The percolator does not keep out the coffee grounds from being poured into my mug and I don't want to keep using disposable paper filters all the time. I've used this same drip filter almost every day for over a year and it has no problems. I have a back up just in case it starts to fall apart after so much use. I highly recommend this filter so you don't have to keep buying the paper ones and its been used so many times with no signs of wear..


I LOVE this little guy! I use it for bikepacking, and I'll make any excuse to have coffee outside. Initially I poured the water in too quickly and got watery, weak coffee, so I poured that coffee back over the grinds for a second drip and it was good. Since then I've poured more slowly. I haven't tried it cowboy style yet, but I didn't notice my water cooling down that quickly for this to be an issue, but it's still fairly warm where I live. I wasn't thinking of the logistics when I first went camping with it: I only had one mug (for food, boiling water, and drinking coffee), so I had to find a container to pour the hot water into, then pour that over the coffee grinds back into my mug. So now I have an excuse to buy an ultralight, slightly larger second cup!


Use this a sock filter Place the filter into the cup Coffee grinds into the filter Pour boiling water into the filter the water goes directly into your cup and the filter holds the coffee in your cup Perfect hot strong coffee Reverse the filter to throw out the grinds


I bought one of these many years ago and decided to get another. It's simple, ultra-light, packable and works great. The single problem is that the mesh filter needs to be cleaned after each use. I use a finer ground for my coffee than the standard, so the mesh filter gets clogged quickly and prevents brewing, so I have to dump it, clean it, add more grounds and repeat. Discarding spent grounds isnt very convenient, so I use a regular filter in addition to it. Otherwise, this is a great product.


Salesman at REI pointed me to this coffee maker. I have used it on three trips now. It works great. Use it on any cup, mug, vacuum bottle, etc. that you already own. Buy some great coffee, watch a youtube on how to do a proper pour over and you can wake up to an exceptional cup of Joe. It cleans super easy too. Just turn it inside out and give it a few shakes somewhere appropriate. When you get home from your adventure give it a good cleaning with some soap. It's super light as you can tell.


After attempting an autumnal backpacking in the Enchantments with my collapsible silicone coffee filter, which proved too collapsible and spilled grounds and coffee everywhere but the cup, we were grouchy for three days. So for the next trip several weeks later, I picked up this lightweight maker and we drank our coffee hapily from the mug on which it perched. Clean up was a breeze, too! The mountains would have been glorious regardless, but goodness it was more pleasant caffeinated!


First, it is important that a paper filter or paper towel be used with this filter, otherwise the coffee will be very weak. Save that, this little thing is great for backpacking, since it is so light-weight and compact. The plastic cone-style single filters are better (i.e.: Melita), but they are huge and awkward in a pack. If car-camping and weight and space are not an issue, use a percolator.


Clips onto almost any cup or mug. Weighs next to nothing. Perfect to use with the GSI coffee mill.


This product did what it was meant to do, but I can't help thinking of how much of a consumerist product it is when you can EASILY make something lighter and more efficient.


I bought this product thinking it would be a good alternative to carrying a press pot. The nylon material is great for being light weight and compact, but taste is the sacrifice. Water is able to run right through the nylon instead of steeping in the coffee, which provides for a weak cup. A press pot or mini espresso maker are the best bet.


I was thrilled to find this product, after having hauled a bulky Euro-style mini stovetop espresso maker around the country on a motorcycle. Its compactness is its greatest asset. On the downside, it takes a lot more coffee than usual to make a decent cup. And because it takes so long to filter after you've poured your boiling water into the filter, by the time you drink it, the coffee is cold.


I love this featherlight gadget. Here's how I make really excellent coffee with it. Don't perch it on the edge of your cup, let it sit right in the cup with the "legs" dangling outside. I use a Snow Peak Titanium Double Wall 450 Mug, which has plenty of room for the basket. For a mug this size, put in 2 level coffee measures (4 tablespoons) of ground coffee (I use Starbucks Sumatra blend). Pour 15 ounces of boiling water into it, or until the cup is full. Let sit 10 minutes. Carefully lift the basket that is full of grounds and water, and perch it on the rim of the cup using the slotted "feet" until it drains. The mesh is fine enough so that few solids get through. Remove the basket, enjoy! To clean up, empty the basket, rinse with water, and it's clean as a whistle. I find this coffee is every bit as good as what I make with my French press.


I bought the GSI drip coffee maker when I visited a friend of mine in Seattle. He doesn't drink coffee but, I do. We took a trip to the Olympic Peninsula to do some camping and hiking. Anytime I wanted Coffee I just unfolded my coffee maker attached it to my cup added my grounds and boiled some water and poured fresh cup of coffee. Clean up is easy to dump the grounds into a hole in the ground. Rinse with water fold and put away.


The only way I would love this more is if it would wake up before me and boil water. It's so light you can barely feel it in your hand, packs up small enough to fit anywhere, and makes great coffee. I used a metal camp mug with a lip, but it is flexible enough it would probably work with most anything. I used about 3-4 Tablespoons coffee, med grind. I like my coffee dark. As with any pour-over you have to get the grounds a little wet first and pour the water in slowly. I like to take my time and pour just a few ounces of water in at a time, then let it soak through. I imagine that if you filled the whole filter at once the coffee would be weaker. It rinsed out easily and dried quickly. I took my french press out of my car camping kitchen box and put this and a whole lot of extra room in its place. Also, it's one of the cheapest options. Yay! Love this thing!


Found this browsing the store one day. We took this small miracle on a two week camping trip to Iceland. Wow! what a savior. We roast our own beans and ground them before we left. Every morning we had our usual two cups of delicious coffee made to our liking along with our Icelandic Skyr and geothermal brown bread. These are so amazing I would use it at home when the power was out.


The lightweight compactness of this item unfortunately doesn't outweigh it's usefulness. The filter strains so slowly that by the time you get a cupful, the coffee is cold. And this was with having a pot of boiling water on standby and pouring as I went. This item is regrettably going back to REI.


I bought this thinking it would be great for pour-overs. As has been suggested in other reviews, the water cools once you find the right grind for the drip. So we instead make regular camp coffee using fresh beans ground medium and steeped four minutes in a 1 qt pot. It stays piping hot until pouring it through the filter to remove the sludge. #BESTCAMPCOFFEEEVER!


I use this with a filter and it makes great coffee. I have a cup whose rim tapers, The plastic clips did not like the tapered rim. I have cup with a rolled rim. Perfect. I have a narrow cup - not so good. If the legs touch the side of the net, you will get a leak down the legs. Great device, just check the fit on your intended cup. Wide is better.


I have been using these filters for several years on car-camping the bike-camping trips, with no bad effects on the actual mesh or the feet. I use a paper filter because it's just a lot easier to clean up -- and my panniers don't register the extra weight. This is a simple, effective, ingenious little tool, and the coffee it makes is good enough.


As others have noted, the drip can get pretty slow near the end. Just add more water. The weight of the extra water will push through the remaining coffee, then dump out everything. If it's not strong enough, add more grinds.


I love this coffee maker. It's simple, no fuss, and cleans easily. It's seriously the best coffee making item I've used for camping/backpacking and I've tried them all - french press, aeropress, individual press thingy, percolator, etc. All you need is a cup (it attaches to any cup/mug) and a paper filter. Super light, and virtually no clean up.


It works as advertised. Yes, the water does run through the filter a little quickly but you can either add paper filters or add more coffee, simple. For portability and convenience it's great. I am a little concerned with it's durability over long time use. It seems to me that after awhile the plastic will degrade and break.


I use two level Tbs coffee to 6.5 oz H2O. Slowly drizzle the water over the grounds. It makes coffee I like and use several times almost every day. This is the ONLY single cup drip system that I have ever used that I like. A friend had one and after I tried it, I had to have one. Very satisfied with this maker.


I'm a coffee snob, and this little gadget suits me just fine. Extra bonus points that it packs super small and light! If you let the grounds sit for a minute after making your (strong and delicious) coffee, you'll have hardly any cleanup to do after dumping them.


Love this little pour-over coffee maker. Super light and ideal for bicycle touring. I bought one for myself last year and this one is for my wife who will be touring with me on occasion. pairs perfectly with the GSI Infinity Backpacker Mug, though I've used it with all kinds of other coffee mugs and travel mugs.


This is the best set up I’ve tried yet! I use this in conjunction with the Sea To Summit XCup. This is the lightest and most easily cleanable filter I’ve used. I put my grounds in boiling water in my cook pot, and after 5 minutes or so, I pour the whole thing through the Java Drip which clips on to my XCup.


I bought this for a 7 day backpacking trip in the back country of Canada and it made everymorning start the right way with a stout cup of coffee. You hardly notice that it is even in your pack. It can work with coffee or tea and it is great that it clips to the rim of almost and cup or water bottle.


You really don't need filters I promise, just a quick shake and brush off and it's clean again. Also it weighs almost nothing. Makes a tasty cup of coffee as long as you don't pour too fast. Only downside is it takes a bit of time to make multiple cups if everybody is taking turns using it.


If you’re wanting fresh coffee in the backcountry, other than So and So’s Via Instant, look no further! Grind your coffee prior to your trip to cut weight. Also, give it a go before ya head out; so your use to using it. Sorry French Press, your bumped to car camping only. Cheers!☕️


This is exactly what I was looking for when I went to REI, and was pretty stoked to find it. The only problem I have with it, is that it drips a too fast and coffee will be a little weak. As others have said, use a cone paper filter also and that issue is fixed. Love this thing!


Simple product, but incredibly effective. Worked just fine without a paper filter, poured boiling water over my grounds and had a delicious coffee moments later. Packs really small and is easy to clean. Highly recommend for the caffeine enthusiast on the go.


Love this! Definitely recommend to anyone who prefers well made coffee. I make pour overs at home pretty much exclusively and this works just as well. The reviewers who say that the water percolates too quickly or slowly likely don't have their technique down.


I used this on the trail over the weekend. Did 20 grams of finely ground coffee for 300 ml of water over it. I wet the grounds at first with it and then gradually poured the rest of it in over about 4 min. Thought it was great coffee. Easy to clean up as well.


This works well for a cup of trail coffee, I played with this at the house 1st and it does very well. There is a learning curb on how quickly to pour your water. It's best to saturate your grounds and let them sit for a minute then pour enough to drip.


I really like this coffee maker. It's incredibly light weight and fairly easy to pack. The only drawback is that you're left with wet coffee grounds. So if you're looking to save weight, this isn't a good option, I'd stick with instant coffee for that.


bought this at the store on a wim as opposed to the x-cup brew system and I am happy I did. It clips on to small diameter and larger diameter cups and it works brew a nice cup of coffee quickly jusy pour yoyr water directly over the grounds slowly


Was tremendously surprised at how well this worked! This past weekend I was trying out some new gear including this. Makes the best coffee I've had camping by far. Going to get a second one so I can do 2 at the same time. Best REI purchase ever!!


Although not necessary I bought #2 cone paper filters, which helps keep the black filter clean. You can just dump the spent grounds out and backwash the filter as well. I would not force the legs onto a thick mug to keep from them breaking.


This is a great little coffee maker. It's light and takes up little space, and the coffee was pretty good. The salesperson tried to convince us to buy the mug that goes with it, but we had no trouble clipping it on regular camping coffee mugs.


Received this as a gift and we have been using it exclusively to make coffee ever since. The coffee has a stronger flavor which I love. Also it is super fast... one cup takes only a few seconds. Love it! Would buy as a gift for a coffee lover!


Makes a clean cup of Java. I think it could make a good cup of pour-over coffee, but as others have mentioned, it seems best as a filter for cowboy coffee. I use it to make coffee that is much the same as I would make coffee in a french press:


I am not real satisfied with this one. It certainly does not allow the coffee to drip through. The plastic arms will most likely get broken off at some point. I should have waited till I found a filter that just sits on top of my mug / cup.


I bought this in Colorado during a camping trip, and used it with absolute ease. Brews super smooth and fast. Love the fact that it weighs so little and takes up so little of space in my pack. And it cost so little! Highly recommended!


The feet have some trouble staying on certain cups. It’s not that hard to deal with though. Go slow, soak your grounds and then wait a second, then pour the rest of your water slowly. It makes a great cup of coffee.


Used this backpacking with friends in Glacier and it worked great. He DID, however, use a paper filter in it just like you would at home. Plus the coffee grounds are contained and easily packed out in a ziplok bag.


Great way to make pour over coffee. Easy to clip. Can be a little tricky to get off when you have hot wet coffe grounds in it. I just lay it over my cup and works fine. Best price and simplicity to make coffee.


Lightweight, compact, and easy to use. Makes a very tasty cup of coffee, far better than I expected. You can probably make two to four cups at a time, depending on how much grounds you use. Also easy to clean.


I originally bought this for camping and backpacking, but have found that it also works great when a coffee maker is not available. Very easy to use and clean, and the clips seem durable. Great product!


Self supporting and performs as it should. You are going to need to use a filter to slow down water pass through. Otherwise drips way to fast. Nice item if you are packing the extra weight.


So simple, so light. Flips inside out to rinse clean, if you care about that. Does not come with directions for making the best coffee, so read all the below reviews for methods!


Improvement from the model I bought in 2012 which let a little bit of fine sediment through. Got the bigger size and with the finer filter, I am set for the morning brew.


This thing is really awesome for making good coffee while hiking. It’s light weight and easy to quickly make coffee, scatter the grounds, and move on. Highly recommended!


I bought this specifically for a backpacking trip, it is ultra light and folds down into nothing! It makes a fantastic cup of coffee quickly for one in seconds.


Not a bad idea, but doesn’t hold the water long enough to brew the coffee grounds fully. Needs to be used with a paper cone filter to slow the water flow down.


Genius product. Insanely light. Precise flow rate for maximum tasteyness. No paper filter waste so I use it in the frontcountry as well. Well done GSI


Works well and is lighter and more compact than others I’ve tried plus it doesn’t take filters! Stoked on this one.


This is great! Love that we can leave this packed with our backpacking stove. Light weight and packs down small.


I love this coffee filter. I use it for backpacking. Fast, easy, and much smaller than any coffee pot or press.


The cliff bars are tasty! The water bladder works great. The dish basin I have yet to use nor the coffee maker.


This product speaks for itself. It is very compact and convenient, easy to us, and functional for your needs.


Collapses for storage inside Snow Peak soloist. I now use this at home for everyday cups o’ Joe.


Works perfect - makes a great little cup of coffee. No complaints at all.


Simple and very effective. Won't go on another hike without this


Great product. Packs easy works fast. Simple to use


Small, lightweight, super-handy, makes good coffee


It took me a year of mediocre results (weak coffee, too long to brew, too hard to clean) to finally find the right internet resources to learn how to use -- and love -- this gadget. Read about and watch videos on "pour over" coffee. Yes, they are coffee snobs, no they are not backpackers. BUT, the technique needs to be applied to this gadget. The high end pour over technique sells you on a special kettle from which to pour the water over the drip chamber -- the kettle delivers a thin, steady stream. Of course, we can't take that STEEL kettle on our back and many folks complained that the the kettle lets the finished product get too cold), but I found a solution! It is a 10 ounce insulated plastic travel mug (the maker is famous and only recently came out this this small 10 ounce version) and the vent (not the mouth opening) for the sipping lid delivers a thin, steady stream whilst keeping the water hot! Watch the videos, use a #2 or #4 cone filter, add 1 tablespoon very fine grind coffee to the set up, heat 9 ounces of water to boiling -- pour the water into the insulated travel mug (this gets the temp to the magic 200 degrees) then pour just a teaspoon of the water over the coffee through the vent hole of the travel mug. Wait 20 seconds or so for the "bloom" -- then pour the rest of the water over the coffee grounds, keeping the stream over the grinds, not the filter. Nirvana - the filter does not clog (I guess because the stream keeps the tiny pieces floated) and the time it takes to brew is now very fast! Oh, my gosh this is great coffee! Use freshly ground coffee (I individually vacuum pack the amount I need per day on the trail and hotel).

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