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Black Diamond
Crag 40L Backpack

4.5 out of 5 stars
66 Reviews

Temporarily Out Of Stock

Don't get too bummed. This item is on the way and will be available for purchase as soon as it rolls into the warehouse.

Can't wait? Consider one of the other Technical Daypacks we have in stock.

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Crag 40L Backpack

Black Diamond's Crag 40L Backpack is a smaller version of the ever-popular Creek Backpacks, designed for climbers who dig bolted crags over splitter cracks. Its massive 40L capacity still holds more than a couple quickdraws, and with a rope strap outside the pack, you can get a picnic's worth of snacks and water in there along with the climbing essentials. There's a pocket at the top flap for guidebooks, and the internal zippered pocket protects your wallet, phone, and valuables in crowded crags. Rigid padding shields your back, shoulder straps, and waist belt from bumpy quickdraws so you can tackle trails longer than your average crag.


  • Sport climbing backpack inspired by Black Diamond's Creek Packs
  • 40L capacity suitable for draws, climbing essentials, and more
  • Top flap with drawcord skirt, and additional side access zipper
  • Exterior rope strap keeps ropes out of the pack for extra storage
  • Internal and top pockets designed for guidebooks and valuables
  • Item #BLD00RG
840D nylon, 1260D Ballistic nylon
[small/medium] 2319cu in [medium/large] 2441cu in
1 zippered front, 1 internal organizer
top flap, side zipper
Claimed Weight
2lb 1oz
Manufacturer Warranty
1 year

Overall Rating

4.5 based on 66 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 2 reviews
3 Stars - 2 reviews
4 Stars - 23 reviews
5 Stars - 39 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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2 out of 5 stars

May 20, 2023

Carries weight very bad

I've used it once or twice and have initial impressions
Size Bought:
5' 9"

Great pack for the capacity and full length lateral zipper, but It carries weight very poorly due to having little to no padding in the waist belt, with a 28in waist I had to fully crank the belt and it bearly transferred the load to the hip. My Mountain Hardware scrambler 25 (old version) carries the weight of a double rack of cams from .3 to 3 a single 4, a set of stoppers, 10 alpines, PAS, Harness and anchor material way better with just a slim nylon strap for the waist belt. If you're looking for a crag pack I wouldn't recommend this one. Wish I could return. Once I get a new crag back this will become my gym climbing bag. I wouldn't recommend, carries weight poorly and lacks load lifters. That said if you only go sport climbing for $100 this pack might just be enough, but it's not enough for a true crag pack.

Joao B
4 out of 5 stars

May 18, 2023

Niche purpose

I bought this pack with the intention of hiking in for climbing. Using a few times, I am dedicating it for gear with a moderate hike in and setup a base where I will climb for the day. The pack looks awesome and durable like bd’s larger haul bags and I see it could be used as a junior haul bag. Beware there is no outside water pocket, an inconvenience if you have a considerable hike and need to a swig to rehydrate. The bag will hold gear for the day and I like the access from the side zipper. Gear may get jumbled and become a rats nest

Jon B.

Originally reviewed on

5 out of 5 stars

May 18, 2023

Perfect Crag Bag

This bag is the perfect size for all my gear, snacks, rope, and water. It is lightweight and convenient, I love it!

Ashley H.

Originally reviewed on

5 out of 5 stars

May 15, 2023

Fantastic bag

This bag fits everything I need for the crag. I am able to fit all 12 of my quickdraws, a 60m rope, helmet as well as small snacks and accessories such as tape, file, etc. Shoes can be clipped to the outside of the bag for convenience as well.

Mark M

Originally reviewed on

5 out of 5 stars

May 15, 2023


Great size for a day out at Shelf or similar. Single big pocket is great if you like to dump things or use individual organization on your own. Great pack and feels like it will last a lifetime

Robert S.

Originally reviewed on

4 out of 5 stars

April 14, 2023

Nice but high waistbelt

I really like the pack but the waist belt rides super high, like around the middle of my stomach. I plan to exchange mine for the larger size. If you're unsure of sizes, I recommend sizing up!


Originally reviewed on

3 out of 5 stars

April 11, 2023

Okay crag bag but great oversized gym bag

This is a decent bag but not quite ideal for my uses. Got it to use as a crag bag but didn't quite have enough space or organization for a day of sport climbing. I switched to a Stone 45 which I much prefer for my outdoor climbing and now use this bag for they gym were it's a little too big but otherwise works great. Overall quality and construction is great, just wasn't a great fit for how I like to pack my gear!

Russell O

Originally reviewed on

5 out of 5 stars

March 25, 2023

Great day pack

The best thing about the bag is the top to bottom zipper that allows you to either open the bag all the way, or just unzip the bottom portion to reach into the bottom of the bag without disturbing the items in the top. It has three nice handles spread about the bag which allow quick and convenient carry. Recommend this pack for day trips out to your spot.

Luke G.

Originally reviewed on

4 out of 5 stars

February 28, 2023

Solid crag bag

This a solid crag bag. Comfortable for short approaches, solid design, and has everything you would expect for this type of pack. Tough, packs well, and handles being a bit wet.

Casey S

Originally reviewed on

5 out of 5 stars

January 4, 2023

Great pack, easily fits 60m rope, full standard trad rack or sport rack, two helmets, and some extras with no issues. Feels well balanced while hiking and construction is bombproof.

Steve M

Originally reviewed on