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Gear Lab: Best Backpacking Water Filters of 2025

We tested 25 backpacking water filters and treatment systems to find the best option for your backcountry adventures.

Gear Lab: Best Backpacking Water Filters of 2025

Last updated:
December 2, 2025
|  5 min read

Gear Lab: Best Backpacking Water Filters of 2025

Gear Lab: Best Backpacking Water Filters of 2025

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We tested 25 backpacking water filters and treatment systems to find the best option for your backcountry adventures.

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Gear Lab: Best Backpacking Water Filters of 2025

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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.

Miniatura da fotografia Autor do blogue
Review Editor
Amber King
After finishing up her B.Sc and B.Ed in 2009, Amber moved to the U.S.A from Canada.
Menções nos meios de comunicação social

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.

Miniatura da fotografia Autor do blogue
Review Editor
Amber King
After finishing up her B.Sc and B.Ed in 2009, Amber moved to the U.S.A from Canada.
Menções nos meios de comunicação social
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Babies carried in treated wraps were about two-thirds, or 66 per cent, less likely to develop the disease.

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This particular formula is nongreasy, nonsticky, and lacks a strong odor, making it highly appealing for direct skin application.

Jill Di Donato
Escritor

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The best filter, I took care to sleep with it on cold nights and back-flushed her in town.

Lauren “Mothra” Mullen
Hiker, Writer
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