Best Backpacking Water Filters of 2025

Clean water: You need it, and we want to ensure you have it, wherever you go. Bacteria, viruses, protozoa, microplastics, and more can be found in your drinking water if you're not careful.

We purchased and tested each filter on treks in Peru, expeditions across the USA, and even thru-hiked Iceland. We evaluated each filter's portability, the maintenance required to keep it operational in the field, and critical aspects of the model's design, including the types of contaminants it removes from water and the time it takes to process one liter of potable water.

Continue reading to learn more about the best water filters, written by Amber King.

Gear Lab: Best Backpacking Water Filters of 2025

Best Backpacking Water Filters of 2025

Clean water: You need it, and we want to ensure you have it, wherever you go. Bacteria, viruses, protozoa, microplastics, and more can be found in your drinking water if you're not careful.

We purchased and tested each filter on treks in Peru, expeditions across the USA, and even thru-hiked Iceland. We evaluated each filter's portability, the maintenance required to keep it operational in the field, and critical aspects of the model's design, including the types of contaminants it removes from water and the time it takes to process one liter of potable water.

Continue reading to learn more about the best water filters, written by Amber King.

Photo thumbnail Blog Author
Review Editor
Amber King
After finishing up her B.Sc and B.Ed in 2009, Amber moved to the U.S.A from Canada.
Media Mentions

Gear Lab: Best Backpacking Water Filters of 2025

Best Backpacking Water Filters of 2025

Clean water: You need it, and we want to ensure you have it, wherever you go. Bacteria, viruses, protozoa, microplastics, and more can be found in your drinking water if you're not careful.

We purchased and tested each filter on treks in Peru, expeditions across the USA, and even thru-hiked Iceland. We evaluated each filter's portability, the maintenance required to keep it operational in the field, and critical aspects of the model's design, including the types of contaminants it removes from water and the time it takes to process one liter of potable water.

Continue reading to learn more about the best water filters, written by Amber King.

Photo thumbnail Blog Author
Review Editor
Amber King
After finishing up her B.Sc and B.Ed in 2009, Amber moved to the U.S.A from Canada.
Media Mentions
browse all articles
Here at Sawyer

Recent mentions

Media Mentions
May 28, 2026
Backpacker: RIP To These Bygone Backpacking Trends
Take a hike down memory lane to celebrate the gear and fads that got backpacking to where it is today.
View post
Media Mentions
May 28, 2026
Trend Hunter: Squeezable Water Filtration Systems
A review of squeezable water filtration systems.
View post
Media Mentions
May 28, 2026
Outdoor Life: The Best Water Filters For Backpacking, Camping, and Emergencies
We tested a huge selection of water filters to help you find the right one for your needs.
View post
Media Mentions
May 28, 2026
Best Reviews: Mosquito Repellents That Actually Work
A review of options made with DEET, picaridin, and plant oils so you can repel mosquitoes all summer.
View post
Media Mentions
May 28, 2026
Fox 11: Warmer Winter Could Lead To An Increase In Ticks
Experts say hikers should be aware of a small pest that can cause big problems — ticks.
View post
Media Mentions
May 28, 2026
News 4: Warmer Winter Could Lead To An Increase In Ticks
Experts say hikers should be aware of a small pest that can cause big problems — ticks.
View post
Media Mentions
May 28, 2026
Rural Messenger: Tick Bites Surge To A 10-Year High As Sawyer Offers Expert Guidance For Peak Season
With tick borne illness cases rising nationwide, Sawyer shares proven protection strategies for families, hikers, and pet owners.
View post
Media Mentions
May 27, 2026
WAVY News: Mosquito Repellents That Actually Work
There are plenty of products on the market that can help keep mosquitoes away so you can enjoy your summer itch-free.
View post