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Mystery Ranch
Gallatin Peak 40L Backpack

4.6 out of 5 stars
25 Reviews


Size Chart


Why We Like The Gallatin Peak 40L Backpack

Though it's optimal performance is when chasing backcountry motives in the snow, the Gallatin Peak 40L Backpack packs enough comfortable adjustments to miss it in everyday life. The exterior straps keep our split board secured, while the wax-coated ripstop material holds up against abrasions while repelling moisture.


  • Glove-friendly buckles for easy access to gear
  • Wax coating on face fabric is durably water-repellent
  • Convenient top and back access to main compartment
  • Oversized front pocket lets you stash extra layers
  • Ski, split board, snowboard, and helmet carry
  • Adjustable back length ensures the perfect fit
  • Item #MYTD01O
320D nylon ripstop, 840D nylon,
40L (2441cu in)
high-density frame sheet
Shoulder Straps
Waist Belt
Hydration Compatible
Reservoir Included
top, back
1 zippered front, 1 zippered
Gear Loops
Ski Carry
Snowboard Carry
Helmet Carry
26 x 11.5 x 11.5in
Claimed Weight
3lbs 12.8oz
snowboarding, skiing

Overall Rating

4.5 based on 25 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 1 reviews
4 Stars - 5 reviews
5 Stars - 18 reviews

What do you think about this product?


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5 out of 5 stars

March 24, 2024

Awesome pack

Excellent quality, could use a hip pouch and a outside pouch for a water bottle.Been hiking my whole life and have owned dozens of packs.This IS my best pack ever. I will see how it holds up year after year.


Originally reviewed on

5 out of 5 stars

November 12, 2023

Love this bag!

Love the bag and all of its features backed up by a company with an awesome track record in quality such as MR! A must for backcountry skiers


Originally reviewed on

5 out of 5 stars

September 7, 2023

Features that fit

I bought this pack for the upcoming ski touring season. Just what I was looking for - fits what I need, thoughtfully laid out, a feel of quality, about right for weight. Now let it snow!


Originally reviewed on

5 out of 5 stars

May 18, 2023

Excellent Snowsport Pack

Very little to not like about this pack. Fabric, features, design, comfort are all exemplary. Only nitpicky thing about this pack is the waist strap buckle. Is it glove friendly? Certainly. Unfortunately, it's belly friendly as well. Any time I bend forward, the bottom edge presses against my belt or waist band while my belly presses against the top edge of the buckle and pops the waistband open. Catastrophic? Nope, but a tad annoying. Looking at replacing with a Fastex or similar buckle.


Originally reviewed on

2 out of 5 stars

May 10, 2023

Great pack but lacks some basic features

The pack seems to be very high quality but the lack of a few basic features is puzzling. There are no hip stash pockets and no sleeve on the shoulder strap for a hydration pack hose. Both these features are standard on almost every pack, from entry level packs to high performance. The rest of the design seems great but the lack of hip stash pockets makes the pack not worth it for me, I wish I looked closer before purchasing. If you are fine with not having these features then it would be an amazing backpack.


Originally reviewed on

5 out of 5 stars

March 20, 2023

Excellent pack for SAR Ops

I have used this pack on two winter SAR snowmobile rescues as well as two day Avalanche field course. The harness is super comfortable, ability to access main compartment from top or inside panel is great.


Originally reviewed on

5 out of 5 stars

January 30, 2023

LOVE IT, but...

Just got done touring in BC for a week and have a few thoughts. I love the way the pack fits and is overall excellent. The pack will take a LOT of gear, which is great for what I need it for. I just updated from an older BCA Stash 40 and the new pack rides better when loaded for sure. I like the top pocket for the sandwich, snacks and easy to get to stuff. The Side zips running the length of the harness are awesome for getting to the water and tea bottles or grabbing a puffy layer for transitions. Or rip the velcro on top and undo stabilizer buckles to really open things up. Not sure about the velcro yet, time will tell, seems just fine at this time. Getting to my "emergency gear" (shovel and probe) is a bit cumbersome. If you really want to open the entire pocket it requires popping 6 buckles and then the zipper. I have it set up so I can slide the zipper down on one side and wrangle it all out, which is working fine. it would be a bit better if there was just a little more room to pull everything out the side. AND maybe make the zip pulls bright red or pink or something to set them apart from the others. The helmet carry is decent, could have made the soft loops with a little more room to slide the C buckles into, but it works. Again the velcro closure on that is working for now, but being it is on the bottom of the pack, I'm wondering how that will fare over time and usage. Maybe a zip pocket would work better? My main gripe is the waist belt buckle, it sucks. please just go back to the old style fastex buckle. When I'm all geared up with skins stashed in my jacket, you cannot see the waist belt, but you kind of need to in order to get the thing lined up perfectly. Many times I got only one side to "latch" and the other would just slide in but not click shut. There's a few things to think about. I really do like the pack and its going to be a great companion for many years. I'm proud to support my local business, even though this pack was make in Vietnam. huh.


Originally reviewed on

5 out of 5 stars

January 16, 2023

Great all around pack

Stoked with the quality and design of this pack. Used it from powsurf sesh to avy migitation mornings at work. Just the right size for day tour and straps that are not in the way. Replaced my Osprey pack. Wished it had some hip belt stash pockets or offered up as an accessory.


Originally reviewed on

4 out of 5 stars

November 22, 2022

Great pack...a few suggestions

I bought this bag over a year ago and used it for some winter ski mountaineering, spring skiing in the NE and a couple of overnight backpacking trips. Great materials, fairly lightweight and constructed with the high quality I've come to expect from mystery ranch. Great fit: comfortable width on shoulder straps/chest harness, load adjustment keeps things balanced. Side and back straps are easy to cinch tight and adjust with poles and will not loosen up during your hike. Best feature: ability to "easily" unzip back of pack - nice large zippers/Velcro security flap. What kept this from being a 5 is the lack of external tool loops, no crampon storage, no hip pocket, small waste buckle is a pain..


Originally reviewed on

5 out of 5 stars

November 11, 2022

Incredible Details

Haven’t skied with it yet but like all MR packs the attention to detail amazing, the pack incredibly comfortable.


Originally reviewed on