Best Backpacking Water Storage & Filtration System 2025

For years I have been questing after the best backpacking water storage and filtration system possible. And by that, I mean a complete set of filter, bladder, bottles, and accessories that synergize to meet an incredibly high standard of performance criteria. After testing many possible combinations, I have settled on a current version of the best possible system, while also acknowledging that it will be modified on a case-by-case basis, and changed as new options become available.

System Overview: It all starts with Sawyer Squeeze + Cnoc VectoX 2L, the best and most reliable filter-bladder combo and the core of my backpacking water storage and filtration system. It filters into a side-mounted 1L Smartbottle, the best ultralight reusable option, and the primary vessel to drink from while packs are off. For drinking while wearing a pack, dual shoulder strap holsters front-mount a HydraPak UltraFlask 500ml filter and HydraPak Tempo 525 ml bottle; both of which can be used one-handed. UltraFlask allows efficient direct-to-mouth filtering, refills the Tempo, and can be topped off effortlessly as you pass by any water source. Both filters can be backflushed in the field, and the entire system is made redundant with AquaTabs.

Continue reading to learn more about the best backpacking water storage and filtration system, written by Jaeger Shaw.