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Hunersdorff High Altitude Water Bottle

rated 4.5 of 5 stars
photo: Hunersdorff High Altitude Water Bottle water bottle

Hunersdorff Water Bottle
1 Liter
1.5 Liter
- Fits in:
Outdoor Research Water Bottle Parka,
Rothco MOLLE Compatible Water Bottle Pouch,
Nalgene Insulated Water Bottle Sleeve,
Forty Below Bottle Boots 1L

The Hunersdorf Wide Mouth Bottles are the best bottle on the market for extreme cold weather! The softer plastic seals better. Does not absorb "flavors" and is virtually unbreakable. With a specially designed threaded cap sealing against leaks at 3 points, this Wide Mouth Bottle won't crack in cold weather.


  • Wide mouth
  • Large top allows a good grip with gloves on


  • Cap is not attached to bottle, so can be lost when removed from bottle
  • See picture of a typical "LEASH"
  • available through climbing suppliers
  • Hard to find under $15
  • No "Glow in the Dark" model

Bottle-with-leash.jpgCapacity:  1 liter and 1.5 liter sizes.

Made in Germany, with no BPA, the choice bottles of nearly every high altitude expedition guiding company in the world, the Hunersdorff Wide Mouth High Altitude Water Bottle is made to withstand the coldest temperatures. The PE plastic is softer, and the extra wide and tall cap is designed with ribs for easy "gripability" when your hands are gloved. The threads on the cap are designed wide apart to prevent the lid from being easily frozen shut, and when nearly frozen, just twisting the cap quickly clears any ice buildup. The bottle and extra tall and wide lid won't shatter or crack in the extremes of higher altitudes.

Compare: to Classic NALGENE WIDE MOUTH Water Bottle

The classic Nalgene Lexan 1 Liter wide mouth versions (the caps on the classic Nalgene bottles are not made of Lexan, and will not withstand temperatures below -10 degrees C.) The Nalgene bottles have very narrow threads that allow the cap to easily freeze shut.

The wide mouth design of the Hunnersdorff High Altitude Water Bottles makes it easier to shove in snow to combine with a little warm water, or to pour in melted snow from your cooking pot, subtleties that are luxuries at higher altitudes or winter camping.

Ease of use: Easy to fill due to the wide mouth. The cap, because of large ribs, can be unscrewed using gloves or mittens. Large threads prevent having a cap that freezes on. I can use a SteriPEN with it. Turn on your SteriPEN, place the tip into the bottle and swirl it around a bit. Works.

Features: The ribs on the yellow cap and the wide mouth make the bottle easy to use with cold hands or with gloves or mittens.

Construction and Durability:  The bottle and the cap don't crack in wicked cold.

Conditions:   I have dropped the bottle taking it out or putting it back in to the water bottle insulated holders a number of times. No breaks or leaks so far. I have used 550 Para cord as well as the wicked classy shoe string shown above. You can also tie a loop from two holes in the lid.  It is a simple loop on the top, from one of the holes over to another with about a  1-2 inch (2.5-5 CM) rise from the lid.  That way you can insert your glove thumb into the loop and hold onto the lid, works well also.

Warning: The bottles ken hold a wee bit a' dwarven ale. The wide mouth may dribble a bit, so dwarfs beware, cuz yer bearrd may frreeze up!

Availability: I purchased mine online from FORTY BELOWAvailable from Amazon, REI may have them (seems it's always out of stock), also:  Climbing shops such as Bradley Alpinist, Liberty Mountain, etc. Available in: Europe, Australia, Nepal, Africa (Mount Kilimanjaro), etc.

Source: bought it new
Price Paid: $19.95 each + S & H

A water bottle is a pretty simple thing on the surface. A container for holding water, right? But it's the fine points of design that make the Hunersdorff High Altitude Water Bottle my choice for everything. I've had one for over twenty years and though it will likely die soon, I am glad these are still made, and still readily available. Compared to all the others out there, these are simply THE choice of many high mountain guides and expeditions where gear must be functional and durable.


  • Ribs on cap make it easy to open with gloved hands
  • Wide mouth for adding snow or water
  • Large square section threads prevent a frozen on cap
  • BPA free
  • Slightly flexible polyethylene will stay flexible in extreme temperatures
  • Durable
  • Can be used for cold or hot liquids
  • Cap is the same PE as bottle and won't crack


  • Cap is not attached to bottle, so can be lost when removed from bottle
  • Only available through suppliers that specialize in High Altitude climbing gear
  • Because of the wide mouth, can be difficult to take a small sip from without spilling
  • Threads and mouth size prevent the use of any standard screw on water filter attachments

Capacity: These are available in both 1 liter and 1.5 liter sizes.

Ease of use: Very easy to fill due to the wide mouth. The cap, because of large ribs, can be unscrewed using gloves or mittens. Large threads prevent having a cap that freezes on.

Features: As noted above, the ribs on the cap and the wide mouth make the bottle easy to use with or without gloves or mittens.

Construction and Durability: Made with a special BPA-free polyethylene that is formulated to stay flexible in extremely cold temperatures, helps make the bottle and the cap less subject to cracking as other plastic bottles.

Conditions: I purchased mine when REI had a small batch of these back in the mid or late 1980's. I have not used one above 14,000 feet, or in temperatures much below 0 degrees Fahrenheit. I have dropped it a number of times, and it now has some small surface cuts. I have noticed that the material is starting to become less flexible, so I suspect it is nearing the end of its useful life.

Availability: Usually just available from small shops that specialize in high altitude or cold weather expeditions. One source is Bradley Alpinist:

Source: bought it new
Price Paid: Can't recall, but probably less than $5.00.

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1 L 1.5 L
Price Reviewers Paid: $19.95
Weight 4.2 oz / 120 g 5.5 oz / 157 g

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