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Mystery Ranch Coulee 25 Backpack Test Atop Teton Pass in Wyoming | Photo Ryan Ariano Mountain Weekly News
Backpacks

Mystery Ranch Coulee 25L Backpack Review

Ryan Ariano
October 19, 2022 4 Mins Read
1.2K Views
0 Comments

When I started noticing backpacks with openings that reminded me of “Stranger Things” demigorgon mouths I was intrigued; when I saw Mystery Ranch had long been rocking it and incorporated it into their new and striking Coulee 25, I knew this could be the mythical midsize solution I’d long been seeking. I’m talking pockets and pouches for days, a main body with an ingenious easy access zipper design. All small enough to be a perfect pack for an average day hike or a short winter tour.

A perfect backpack is the difference between a successful adventure and a slog. And it’s the difference between a slog and a miserable failure. Your pack game needs to be on point, from that big multi-overnight to the ski mountaineer expedition to the quick daypack. Mystery Ranch’s Coulee 25 shows that you can have that big pack quality and features in an average daypack that is best for summer adventures or slackcountry slides.

Few companies make gear haulers as bombproof as Mystery Ranch. But to shrink that down to a 25, with all their standard features and tech specs adapted with a game-changing efficiency, takes some real genius.

Trail Map
1 Mystery Ranch Coulee 25 Specs
2 How’s is the Mystery Ranch Coulee 25 For Hiking?
3 Mystery Ranch Coulee 25L Backpack Pros & Cons
4 Overall Impression

Mystery Ranch Coulee 25 Specs

3 Zip Opening on Mystery Ranch Coulee 25 Backpack
Easy Access 3 Zip Opening on the Coulee 25 | Photo Ryan Ariano Mountain Weekly News

To start, the Coulee 25’s special opening is called a 3-zip opening. There are zips from the top corners for the top pocket and then there’s a zip straight down the middle outside so it peels like the top of a tulip. The HDPE frame keeps your pack sturdy and connects to the Future Yoke that adjusts to perfectly disperse the weight across the pack and across your trunk via the shoulder straps.

The removable Redirect waist belt system gives two easy access pockets off your hips and helps lock it closely to your body.

The stretch woven pockets can expand to fit the biggest water bottles, or almost everything else you’d want to stash on the outside of your packs. The 330D Robic nylon is super durable and yet freakishly light. And finally there are YKK zippers on the special demigorgon mouth opening to make sure they can handle everything. All top-end features on a 25-liter pack. So I took it out for some fun.

How’s is the Mystery Ranch Coulee 25 For Hiking?

Man Hiking with Red Backpack Mystery Ranch Coulee 25 Pack
Ryan Ariano Climbing Wearing the Mystery Ranch Coulee 25 Pack with Hip Belts in Use and the Side Compression Straps Shown | Photo Mountain Weekly News

I immediately went out on a quick hike on a flat, hot day in the woods. In the summer I’m pretty used to getting all that nasty back sweat. Yet the Mystery Ranch Coulee’s internal frame kept it off my back enough to get enough ventilation, and the light weight kept me from overheating. It was pretty fantastic.

The pack is the right size to fit a puffy jacket, extra socks, some snacks, gloves, hate and water bottles on the outside. It fit super well and the Coulee 25 magically contoured around my back so it almost was like I had nothing on at all.

Ryan Ariano Mountain Weekly News
Ryan Ariano Wearing the Mystery Ranch Coulee 25 Backpack in the Tetons | Photo Mountain Weekly News

The next test was to take it up hiking to altitude in the Tetons. I went for a hike solo and it held smoothly as I cruised, and I again hardly noticed it as I was racing up the hill. Then I went up Glory Ridge with my son and everything both of us would need when heading up to 10K in early autumn loaded into my pack. As I slid down some gravelly rock, the pack showed no signs of the scrapes.

The last time I tested it, I was going up and down Glory solo, trying to get a personal record. I scraped rock and even branches, one of which was still attached to my pack when I got back to my car. Again, still super light, super durable, and able to hold all my cold-weather gear. All I could think was that I loved this pack.

Mystery Ranch Coulee 25L Backpack Pros & Cons

Pros:

  • Pockets and pouches for days
  • Quality features in a daypack
  • Super durable 330D Robic nylon

Cons:

  • May not be ideal for heavy loads
  • Only suitable for light and fast hiking

Overall Impression

Backpack with Rainbow
The Side Pockets Are Large Enough to Store Full Size Nalgene Bottles While the Lid Pocket Offers Quick Access to Snacks or Headlamp | Photo Ryan Ariano Mountain Weekly News

Mystery Ranch’s Coulee 25 Backpack ($189.99) literally hits the line of everything you need and not one ancillary feature more. Plus it looks and feels absolutely amazing. So for me, to fill out my backpack collection to hit all the adventures, from mellow to harrowing, you need a solid small pack that punches above its size. I highly recommend the Coulee 25 Mystery Ranch Bag.

If you’re looking to carry a heavy load there are other Mystery Ranch Backpacks better sized packs suite for the job. But for light and fast hiking this pack is the perfect size.

Also available is the smaller version the Mystery Ranch Coulee 20 Pack. Along with a slightly larger version of the backpack in the Mystery Ranch Coulee 30 Backpack.

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    Amazon.com Price: $179.00 (as of 11/13/2025 00:15 MST) Details

    Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

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Last updated: 2025-11-13 00:15:54

Related Hiking Backpacks

  1. Outdoor Vitals Shadow Light 40L Backpack
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Follow Me Written By

Ryan Ariano

Ryan Ariano has been writing professionally for 20 years but he’s been snowboarding, traveling, and exploring much longer. His winters spent skiing Icelandic volcanoes, snowboarding the Japanese alps, and touring Teton high peaks have earned him a reputation for being tough on gear. In the summer, you can find him climbing routes above his pay grade, fishing the Golden Triangle, and running mountain trails. Somewhere in there he finds time to write about it.

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