ALPS Mountaineer | Reservoir 3.0 Hydration Bladder Pack 1
ALPS Mountaineer | Reservoir 3.0 Hydration Bladder Pack 2
ALPS Mountaineer | Reservoir 3.0 Hydration Bladder Pack 3
ALPS Mountaineer | Reservoir 3.0 Hydration Bladder Pack 4
ALPS Mountaineer | Reservoir 3.0 Hydration Bladder Pack 5
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ALPS Mountaineer | Reservoir 3.0 Hydration Bladder Pack

Regular price $29.99
Sale price $29.99 Regular price $35.99
Member Price $23.99 Member Price - Not a Member? Join Now

Product Overview
Ideal For Camping and Outdoor Adventures
Dual Caps For Easy Cleaning And Convenient Filling
Quick-Connecting Easy-to-Use Drink Tube
Suitable For Use In All Weather Conditions
Drink Tube Rotates 360° For Versatile Usage
Durable Materials For Long-lasting Use


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The Reservoir 3.0 is the best hydration bladder for your ALPS experience. This 3-liter water bladder bag is perfectly designed to complement your ALPS pack, ensuring your thirst is quenched, no matter the conditions. It's the best water bladder backpack accessory featuring a revolutionary Ultravalve with an articulating bit valve. This hydration reservoir prevents backwash and air from entering the tube, providing a full-flow function for maximum hydration. The Reservoir 3.0, a top-rated 3 liter hydration pack, also features an anti-microbial IonPure treatment, making it a reliable portable water bladder that prevents bacteria and mold growth. Its Dual Cap technology ensures easy refills and cleaning, while the insulated drink tube allows usage even in low temperatures. With BPA and PVC-free construction, this hydration pack bladder guarantees safety and reliability. Don't forget to pick up the Cleaning Kit, Magnetic Bite Valve, and replacement Bite Valve Sheaths for added convenience. Embark on your adventure and stay refreshed with the best 3-liter water bladder, the Reservoir 3.0!

  • Features a large 3.0 Liter reservoir for ample hydration
  • Equipped with Anti-microbial IonPure treatment to prevent bacteria and mold growth
  • Dual cap design: large opening for easy cleaning, smaller one for convenient filling
  • Quick connect device for leak-free disconnection of drink tube from the reservoir, simplifying refill/cleaning
  • Insulated drink tube for use in extreme cold weather conditions
  • 360° rotating drink tube clip for versatile positioning
  • BPA- and PVC-free construction for safety
  • Ultravalve feature included for effective hydration
  • Built-in check valve that prevents backwash and air entry into the tube
  • Valve twists open for no bite / full flow functionality 

Capacity 3L / 183 in3
Dimensions 16" H x 8" W
Weight 5 oz.


ALPS Brands takes great pride in the quality of our products and offer limited warranty against defects in materials or workmanship.

This warranty's applicability depends on the product's age and usage. ALPS Brands reserves the right to replace the item, and if the exact product is unavailable, a similar one or credit towards another ALPS Brand's product may be offered. Please note, ALPS Trekking Poles and PVC Air Bed come with a 1-year limited warranty.

This warranty only applies to the original purchaser who can provide proof of purchase from an authorized ALPS Brands dealer. Items bought used, as is, or from unauthorized retailers are not covered. The warranty does not cover any losses or damages resulting from product defects.

The warranty does not cover damage from normal wear and tear, accidents, modifications, misuse, or neglect. Damage from storms, wind, burns, UV, or commercial use is also not covered. Over time, gear can wear out - colors may fade, holes or tears may develop, poles may bend or break, and zippers may malfunction. In some cases, we can provide replacement parts to extend the life of your gear.

Returns & Refunds

Our return policy is designed with your convenience in mind!

You can return items within 30 days of purchase, provided they are in their original condition, unused, original packaging, and with all tags intact.

If you receive a damaged, defective, or mis-shipped item, contact us immediately so we can resolve the issue promptly. However, please be aware that certain items, such as perishable goods, custom products, sale items, memberships, and gift cards are not eligible for return.

For exchanges, we suggest placing a new order and returning the original item. Upon approval, refunds will be processed back to your original payment method within 10 business days.

You may read our full refund policy HERE.

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