Designed for distance and built for speed, the Osprey TrailFlow 3L Hydration Reservoir is your trail-tested companion for hot weather and extended hikes. With an ergonomic handle and compact profile, it offers true one-handed filling and easy pack insertion without bulging or buckling.
- 3-liter capacity perfect for long treks
- High flow water bladder with bite valve delivers smooth hydration even on rough terrain
- Thumb-operated shut-off valve for secure flow control
- Updated magnet and buckle system for stable hose capture
- Wide mouth and Slide-Seal opening simplify refills and maintenance
Whether you’re navigating peaks or pounding pavement, this is the best 3 liter hydration reservoir for hiking thanks to its smart upgrades and rugged reliability.
Curious about how to clean your hydration reservoir? Just slide open the seal, disconnect the tubing, and rinse thoroughly with mild soap.
Teresa Greene (verified owner) –
I’ve used several reservoirs over the years, but this one stands out as the best 3 liter hydration reservoir for hiking. Easy to fill and fits my pack like a glove.
Anthony Herring (verified owner) –
The water flow is amazing—even on uphill climbs. The bite valve works great, and I appreciate the magnetic hose feature for quick access.
Henry Campbell (verified owner) –
I decided to buy Osprey water bladder online after reading reviews, and I couldn’t be happier. It’s lightweight, rugged, and perfect for weekend trail runs.