Gear Lab: Best Backpacking Water Filters of 2025
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.
Read more about the projectBest 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.
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.




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