For Ultralight Hikers, Water Bladders Are Better Than Bottles. Here’s Why.

The Smartwater bottle and Sawyer Squeeze filter combo is a mainstay of the ultralight hiking kit. The bottles are cheap, replaceable, and lightweight. The screw-on filter means you can collect water and filter on the move. In comparison, my preferred water-carrying system, the once-ubiquitous water bladder and hose, is now considered tedious, fragile, and—worst of all—heavy. Let’s bust some myths to explain why I still carry it.

Myth #1: Bladders Are Heavy
First, the weight. I often hear ultralight hikers explain that water bladders are simply too heavy to consider as an option. And if you’re looking at something like a 1.5-liter Camelbak that weighs 7 ounces, that’s fair. But today’s lightweight bladder systems are nearly as weight-efficient as using disposable bottles. A one-liter Smartwater bottle weighs 1.2 ounces, while a three-liter Platypus bladder and hose hits the scale at 3.8 ounces.

Continue reading to learn more, written by Nathan Pipenberg.

LAST UPDATED

March 20, 2025

Written by
Photo thumbnail Blog Author

Nathan Pipenberg

Writer

Nathan’s work focuses on travel, the outdoors, and environmental issues. His work has been featured in publications like Outside Online, Backpacker Magazine, Mountain Flyer, and REI.

Explore More Content

Media Mentions

Don’t just assume you’ll have access to clean water—carry more than you think you’ll need.

Pete Sherwood
Writer