The 10 Best 3 litre Water reservoirs (2023 reviews)

We consider a 3 litre water reservoir to be a worthy investment in the long run. We are here to help you choose the right one for your needs from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Camelbak 3 litre Water Reservoir READ REVIEW

Best For Long day hikes: Buy: Osprey 3 litre Water Reservoir READ REVIEW

Best For Cycling: Buy: Source 3 litre Water Reservoir READ REVIEW

Best With pump: Buy: WACOOL 3 litre Water Reservoir READ REVIEW

Best For disc golf Bag: Buy: Water Buffalo 3 litre Water Reservoir READ REVIEW

Best Water Bladder: Buy: FREEMOVE 3 litre Water Reservoir READ REVIEW

Best For hunting: Buy: UPBOXN 3 litre Water Reservoir READ REVIEW

Best With straw: Buy: KEELOOO 3 litre Water Reservoir READ REVIEW

Best With Hydration packs: Buy: created 3 litre Water Reservoir READ REVIEW

Best Premium: Buy: Aonijie 3 litre Water Reservoir READ REVIEW

Best Overall: Camelbak 3 litre Water Reservoir

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Camelbak line of reservoir come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. This water bladder is durable and holds well even when filled to capacity. It is great for multi-day backpacking treks. The opening is big enough that you can put ice in it and let them melt as you hike, keeping the water even cooler. The shut off valve at the mouth piece is a 100% seal.

There's no funny rubber taste, it's easy to open and filling and emptying is also easy for multi-day backpacking treks. The drinking tube is covered by a neoprene cover, and the bite valve is straight and very well made.

• Tough as nails, great for hunting/hiking
• Works with many styles of backpacks
• Nice features, no leaks, insulated tube
• Very durable and holds 100 oz

Best For Long day hikes: Osprey 3 litre Water Reservoir

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We would, of course, be remiss if we didn't mention osprey 3 litre water reservoir for regular usage. The little magnet that keeps the tube on your chest is clutch. It features to improve handling, reduce weight and simplify operation. The top of the filler bag has a plastic clip that slides over grooves and ridges. It has a magnetic clip so that you can connect it to your strap on your backpack or two shirt, as well as having a quick disconnect to make it easier for cleaning. The magnetic retrieve factor on the bladder/pack is also a nice feature.

The Osprey includes a high-flow easy-to-clean valve. The magnetic nozzle attachment is perfect, the large opening top is nice for filling from any water source, and the disconnect of the tube from the bladder lets you take it out without pulling the tube out. It is best for filling and cleaning.

• Extremely easy to fill, dump, and clean
• A perfect hydration bladder that never leaks
• Easy to use, sturdy, and doesn't have a plastic taste

Best For Cycling: Source 3 litre Water Reservoir

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Compared with other reservoir in this category, the source 3 litre water reservoir has a convenient design. The wide open top and anti-fungal coating are a pleasure. It delivers pure liquid taste with no plastic flavor. It also comes with a cover for the mouthpiece of the tube, which is great for keeping the mouthpiece clean while hiking and transporting the bladder.

The Wxp hydration system features a wide slide opening and screw-cap opening to give you all the options for filling, re-filling, drainage and cleaning. It has a wide opening at the top, which allows for easy cleaning and drying. It is bisphenol and phthalate-free. The hose itself has light insulation which prevents it from becoming lukewarm on a hot day.

• Easy to clean, fill, hang, and disconnect everything
• Wide opening top is great for filling
• Keeps water cool and it is easy to maintain

Best With pump: WACOOL 3 litre Water Reservoir

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate reservoir. The wacool 3 litre water reservoir is exactly that - it's a simple reservoir that hits all the right notes. The round fill hole with a cap works perfectly, it's easy to unscrew, and is water tight. The top holds up well and will NOT slide off while using, and will not leak. The top plastic is removable so you can actually wash and rinse the bladder easily. The clip at the top has slots in it that can be used for securing the bladder inside a backpack.

The cap over the nozzle is also great at keeping the piece clean. It is easy to fill and clean, and the cover keeps the mouthpiece clean. The opening is a great size and makes this easy to clean.

• Convenient and easy for all day excursions
• Holds enough water for a long trek
• Great large opening for easy access to clean and add water

Best For disc golf Bag: Water Buffalo 3 litre Water Reservoir

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Not everyone likes to purchase reservoir for their daily usage, but the water buffalo 3 litre water reservoir would be an anomoly. It’s a well made bladder that’s easy to use. It has a nice insulated hose and it’s easier to get water out of the hose than some other bladders. It improves with more use and softens up providing a better flow. The cap cover for the bite valve is an excellent idea.

This bladder has a * very * tiny valve permitting water out of it, this makes it * very * difficult to get a full drink of water out of the bladder. It is strong and the opening is large and the locking mechanism works perfectly. The quality and construction on the bladder is better than expected,AND it is cheaper than all the like kind products. This pouch allows for better cleaning due to the different opening rather than the circled opening that screws on and off. The water pouch itself has great material.

• Great for the disc golf bag
• Great engineering and design with great quality in the materials used
• Sturdy bag with useful top opening

Best Water Bladder: FREEMOVE 3 litre Water Reservoir

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We would, of course, be remiss if we didn't mention freemove 3 litre water reservoir for regular usage. The cleaning kit has the hanging tool which is an awesome addition. Its a great bladder, just make sure you get the lid on properly, it cross threads really easily, which will give you the illusion that its closed, then you'll get really wet. The bladder has a hook on the top. The hook design for where it is to latch onto the bag could be designed better as it consistently slides off given its arced shape. It includes also additional replacement seals.

It is sturdy and comes with a nice cleaning set. You will love the cleaning tools, which makes it so much easier to clean. It is easy to see water level.

• Works great and no plastic after taste
• You can disconnect the tube from the bladder very easily
• Cleaning kit on a different bladder and it is super easy

Best For hunting: UPBOXN 3 litre Water Reservoir

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If you want nothing but the best desirable reservoir, then upboxn 3 litre water reservoir is the one you should definitely consider, as it manages to bring a lot to the table. If you're looking to carry the most water for the space of your bag, this is it. The straw is long and reaches your mouth easily while hiking. It is odorless, pressure resistant and durable as it passes the odor test at the same time owning multiple patents for many parts. It has a large opening so it's easy to fill and you can even add ice to it if you want.

The material of the bladder itself is very thick but flexible and soft. It can also be taken off at the self-locking socket through the water bag, which is more convenient for cleaning. The bag is quite thick, looks to be very well made and the seal to fill locks down easily. This feels very durable and very thick, is easy to fill and holds 3 liters.

• High quality woven hose with sealers
• Smart design with ziplok top to make sliding the plastic clamp easier and cleaner
• Good investment for long term

Best With straw: KEELOOO 3 litre Water Reservoir

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The keelooo 3 litre water reservoir gives the top-tier reservoir a run for their money by offering flagship specs at a much more affordable price. It's not just for hiking and camping. It's so convenient to just whip out the straw and sip on impulse instead of unzipping the bag, pulling out the bottle, uncapping, drinking, capping it. This bladder is massive at 100 ounces. The mouthpiece works well. It makes it easy to fill in the ice, easy to clean and dry it. The cap closure is an easy twist and lock.

The mouthpiece cover keeps the mouth piece clear if you set it down and it makes drive contact. The on/off switch is easy to use. These have a 2l and 1l bottle full of water at all times.

• Plug and play connect is super easy to use
• Great alternative to platypus or camel back
• Worked perfectly and was easy to use

Best With Hydration packs: created 3 litre Water Reservoir

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If you often find yourself confused about appropriate and satisfactory reservoir, created 3 litre water reservoir is your end point. The insulated hydration bladder is always well maintained. It is ideal for hiking, camping, running, cycling, biking, climbing, skiing and other outdoor sports. Thanks to the big opening, you’re able to reach every corner inside of the bladder bag and give your bladder thoroughly cleaning. It features a shutoff valve that completely prevents leakages when not in use. It can be used as a dust cover that helps to keep the mouth piece of the water reservoir clean outdoors.

The mouthpiece, leakproof valuethe 3liter hydration bladder has a large opening for you to fill water, add ice cubes, and cleaning more easier. It is also convenient for cleaning. It is compatible with most backpacks and hydration packs.

• Promising design, but does not hold 3 liters, closer to
• New and hot release

Best Premium: Aonijie 3 litre Water Reservoir

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The latest aonijie 3 litre water reservoir is an absolute beast in terms of its features, and rightfully takes the top spot with ease. The Aonijie hydration bladder reservoir has a wide range of applications. It is about 50% greater than that of the previous generation, and the water absoption is smoother. It can be used in any outdoor sports activities, such as mountain climbing, cycling, trail running, etc. The portable water reservoir is pressure. It is used together with the sports backpack buckle, so that it can be firmly fixed on the backpack.

The Aonijie sports backpack water bag, convenient to replenish water, sufficient water storage, can provide you with water during exercise at any time, to replenish energy for your exercise, so that you can exercise more smoothly.

• Perfect for an active, outdoor lifestyle
• Peva bag body without bpa.simple fashion and show quality
• Tolerant and wearproof, double soldering sealing side technique has greatly improved durability
• Replenish water for you anytime, anywhere, for sports life