A good water filter is essential for backpacking to remote locations.

Here are the best water filters for backpacking available today.

The pump self-cleans with every stroke, meaning theres no need to backflush or scrub the filter.

Backpacker using a water filter on a mountain stream

Image Credit: makasana photo/Shutterstock

For a pump of this power, you might think it would be bulky and awkward to take backpacking.

Yet, its only eight inches in height and weighs just over 17 ounces.

But steer clear of any water you think contains chemical toxins.

An MSR Guardian Water Purifier

The lifespan is also good for a filter of this throw in at 1,000 liters.

Using hollow fiber technology, the filter removes all traces of bacteria and protozoa.

Maintenance is super-easy, too; just fill the bottle, terminate the cap, and shake or swirl.

A Katadyn BeFree 1.0L Water Filter

Alternatively, you might remove the filter and give it a quick swirl in the river.

But one that is particularly good value is this Sawyer Products Water Filter.

It comes with a small filter and two collapsible pouches, both of which hold around one liter.

A Sawyer Products SP129 Squeeze Water Filtration System

However, you’ll need to perform some maintenance once the water flow diminishes.

Just perform a backwash, and youre good to go again.

It removes more than 99.9 percent of bacteria, protozoa, and all microplastics.

A blue LifeStraw Go Water-Filter Bottle

This action eliminates the need to filter water separately before filling your pack.

The latter makes the filtered water odorless and removes any lingering taste.

The bottle holds 22 fluid ounces, weighs 7.8 ounces, and comes in various colors.

A Platypus Quickdraw Microfilter System

This durable pouch holds one liter of liquid and is easy to fill with its wide mouth opening.

The filter has an impressive flow rate of three liters per minute and a lifespan of 1,000 liters.

The filter is effective against bacteria, protozoa, and particulates.

An MSR Guardian Water Purifier attached to a plastic bottle

However, like most water filtered in this price range, it isnt effective against viruses.

LifeStraw Flex Multi-Function Water-Filter System

The LifeStraw Flex promotes itself as a multi-functional water-filter system.

And it is indeed a versatile filtration system.

A woman filling a Katadyn BeFree 1.0L Water Filter from a river

First, you’re able to use it as a straw to drink directly from the water source.

As with other LifeStraw products, the company aims to support safe drinking water in impoverished countries.

It kills more than 99.9 percent of bacteria and protozoa and removes all microplastics.

A female cyclist collapsing a Katadyn BeFree 1.0L Water Filter demonstrating its compactness

It has an incredible lifespan of 100,000 gallons, which pretty much means its a water bottle for life.

When the water flow diminishes, simply perform a quick backflush, and youre good to go again.

you’re free to use the 63-millimeter cap and filter with standard wide-mouth bottles.

A woman in the desert drinking using a Sawyer Products SP129 Squeeze Water Filtration System

It comes complete with two replacement straws and a syringe for backflushing.

FAQ

Q: What Is the Best Way to Purify Water When Backpacking?

The easiest way is to use water-purification tablets.

A man using a straw to drink from a Sawyer Products SP129 Squeeze Water Filtration System

You simply pop one in the water and wait the required time before drinking.

By far and away, the simplest way to purify any water is by having a good water filter.

Q: What Is the Best Water Filter for Groups of Backpackers?

A white LifeStraw Go Water-Filter Bottle with information on filters

High-volume gravity bags come large enough to keep the whole camp hydrated.

A Platypus Quickdraw Micro-filter with pouch wrapped around for easy packing

An illustration demonstrating the Platypus Quickdraw Micro-filter System cleaning process

A LifeStraw Flex Multi-Function Water-Filter System

A Sawyer Products SP140 Personal Water Bottle Filter

The filter and cap next to Sawyer Products SP140 Water Bottle

A woman fetching water from a waterfall using a Sawyer Products SP140 Personal Water Bottle Filter