Hydration Reservoirs

The best hydration reservoirs, reviewed and curated by the Trailspace community. The latest review was added on June 21, 2018. Stores' prices and availability are updated daily.

Recent Hydration Reservoir Reviews

Cnoc Outdoors Vecto

rated 0.5 of 5 stars Great idea, very poor execution. First, getting the slider off the bag is ridiculously hard. I have to push the slider against a door jamb and try to slip the bag out of the slider. Try that when you're in the back country. Second, screwing the filter onto the bag is, again, ridiculously hard. The threads on the bag are too small and/or soft to make the process easy. If the white gasket on the filter is the least bit off kilter, the connection doesn't work. I had such high hopes and was sorely disappointed. Full review

Cnoc Outdoors Vecto

rated 5 of 5 stars Solid water storage. The material the Vecto is built with is several notches above any other. It's superior in its ability to take abuse and withstand being full and packed tight in a pack, dropped on the ground, thrown etc. No worries about it leaking or bursting inside your pack. Capacity is 2L+. The wide mouth opening is easy to use when scooping from shallow streams or water sources. The locking strap ensures this thing is not coming open in your pack and can easily hang from any thing without… Full review

MSR Dromedary Bags

rated 5 of 5 stars I have two of these, the 4 litre and the 2 litre. They are the older Cordura type and I was kind of hesitant to review them at first because of a recall of some of them due to leaching of a chemical used in manufacturing, but after consulting the store where I purchased them (Mountain Equipment Co-op) I was assured they did not carry the version that were recalled in the late '90s.  I have been using these two water bladders for close to 20 years. They were one of my first purchases when I started… Full review

Hydrapak Shape-Shift 3L

rated 4.5 of 5 stars My next hydration bladder. After purchasing a Hydrapak Stash 750 ml and being very satisfied with its taste(less)ness? I searched for Hydrapak's hydration bladder options in order to replace my Source Widepak (still performs perfectly btw, just wanted to upgrade).I came to choose the Shape-Shift 3L because of the same materials used in the Stash and its versatility.Take some time to read the instructions. Especially the opening/closing is essential. Beyond lifetime guarrantee. Your grandkids are… Full review

Osprey Hydraulics 2L Reservoir

rated 3.5 of 5 stars No caps to open, lose, or have leaking! A slip-resistant backing keeps the reservoir in place nicely. The mouthpiece needs to be bitten on to release liquid, so this is a bit funky. But in creating this type of mouthpiece, you are truly able to get every last drop of fluid—a suction is created. I used this bladder on my Rim2Rim hiking trip, and it did not disappoint! I would recommend this hydration bladder! I purchased the 2L Hydraulics bladder. In temperatures of 103° during the day, this size… Full review

Osprey Hydraulics LT 2.5L Reservoir

rated 4 of 5 stars Well-thought out details make this the easiest to use of the several reservoir types I have tried over the years. As of 2016 Osprey and Hydrapak combined forces and features to offer up a new line of hydration reservoirs, to be included in Osprey hydration packs but also sold separately. I got mine with an Osprey Skarab 32 purchased in 2017, but I think the reservoir is worth reviewing separately. Here are the mug shot and profile views: The 2.5 L size is big for a lot of the trips that I do in… Full review

Hydrapak Shape-Shift 2L

rated 4.5 of 5 stars A unique folding opening makes filling easy and is leak proof. Shape-Shifts baffle gives the reservoir a slim shape. Plug-n-Play hose disconnects without removing from your pack. As someone who has been using water reservoirs for over 25 years, it was exciting when I got a chance to test Hydrapak's Shape-Shift 2 liter reservoir. My pet peeves through the years have always included leaky threaded closures, a bulbous profile, cleaning issues, and bite valves that to often leaked onto my shirt. The… Full review

Gregory 3D Hydro 3L Reservoir

rated 2 of 5 stars A reservoir with innovations that make sense, but durability could be a big issue. The main advantage is the three-dimensional shape of the reservoir, which allows it to easily fill and dry out. Other plus factors include a fold-away hook to hang it up, an easy-to-use open/shut valve, a sturdy hang hook (if you use it with a Gregory pack), and a baffle to prevent water from sloshing. With or without a Gregory pack, this reservoir should have been a worthy competitor for your hydration needs. Unfortunately,… Full review

Source Widepac Hydration System

rated 3.5 of 5 stars The Source Widepac 2L Hydration System is a functional and fully-featured hydration system. The product promises a virtually maintenance-free system, negating many of the common hygiene issues associated with water reservoirs. In this regard, the Widepac does not disappoint. Despite heavy use and abuse, I did not experience any problems with microbial growth. Most components of the system also combined to provide taste-free, clean water. The Sawyer Mini Filter, as part of the Source Water Filtering… Full review

user rating: 5 of 5 (14)
MSR Dromedary Bags
$40 - $49
user rating: 5 of 5 (6)
CamelBak UnBottle
$32 - $50
user rating: 5 of 5 (2)
Osprey Hydraulics 3L Reservoir
user rating: 5 of 5 (2)
Hydrapak Shape-Shift 2L
$23 - $38
user rating: 4.5 of 5 (4)
MSR DromLite Bags
$27 - $32
user rating: 5 of 5 (1)
Deuter Streamer 2.0L
user rating: 5 of 5 (1)
Platypus Big Zip LP
user rating: 4 of 5 (11)
Platypus Hoser
$12 - $26
user rating: 4 of 5 (4)
Deuter Streamer 3.0L
user rating: 4.5 of 5 (1)
Hydrapak Shape-Shift 3L
$24 - $35
user rating: 4 of 5 (2)
Sea to Summit Pack Tap
user rating: 4 of 5 (1)
Osprey Hydraulics LT 2.5L Reservoir
user rating: 3.5 of 5 (1)
Osprey Hydraulics 2L Reservoir
user rating: 3 of 5 (1)
CamelBak Antidote Reservoir
user rating: 2 of 5 (1)
Gregory 3D Hydro 3L Reservoir
$34 - $35
CamelBak Crux 100
$27 - $35
Ultimate Direction 70 oz. Reservoir
$30 - $32
Hydrapak Trek Kit 3L
$36 - $60
UltrAspire Bladder
ALPS Mountaineering Reservoir 3.0
DaKine Lumbar Replacement Reservoir 3L
CamelBak Long Neck Reservoir
Gregory 3D Hydro 2L Reservoir
Salomon Soft Bladder 1.5L /50 oz.
$32 - $40
CamelBak Mil Spec Antidote Reservoir
CamelBak Crux 50
$24 - $32
Platypus Big Zip EVO
$37 - $39
CamelBak Crux 70
$26 - $33
DaKine Replacement Reservoir 2L
Hydrapak Propel 2L
$25 - $42
CamelBak Crux Lumbar 100
$26 - $38
Osprey Hydraulics Lumbar Reservoir 1.5L
Hydrapak Full-Force 2L
Hydrapak HydraSleeve 3L
Hydrapak Propel 3L
Nathan Hydration Bladder
$30 - $31
CamelBak Omega Water Beast Reservoir
Osprey Hydraulics LT 1.5L Reservoir
Geigerrig Hydration Engine
$47 - $48
user rating: 5 of 5 (3)
Source WXP LP
user rating: 5 of 5 (2)
MSR Hydromedary
$40 MSRP
user rating: 5 of 5 (2)
Source D|vide
user rating: 4.5 of 5 (7)
Source Widepac Hydration System
$29 MSRP
user rating: 5 of 5 (1)
Platypus Insulator
$55 MSRP
user rating: 5 of 5 (1)
Source WLP
user rating: 5 of 5 (1)
Source Wrap Tank
$45 MSRP
user rating: 5 of 5 (1)
Cenote Hydration System
user rating: 4 of 5 (3)
Platypus Big Zip SL
$33 MSRP
user rating: 4.5 of 5 (1)
CamelBak StoAway Reservoir
$45 MSRP
user rating: 3 of 5 (2)
Cnoc Outdoors Vecto
$18 MSRP