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Black Diamond
ATC - Alpine Guide

4.823529411764706 out of 5 stars
34 Reviews
Color:Envy Green



ATC - Alpine Guide

Alpinists reveled in rappelling, belaying, and using the ATC's guide mode so much that Black Diamond designed its classic belay device with a lighter, more compact device. Compared to the original ATC Guide, the Black Diamond ATC - Alpine Guide accommodates skinnier ropes so you can alpine climb with twin ropes a little easier. Apart from that, it features the same handling as the original, just for skinnier ropes.


  • Black Diamond's classic belay device updated for alpine climbing
  • 6.9 - 9mm rope diameter optimized for 8.1 - 8.5mm
  • Multiple friction modes designed for both belay and rappel
  • Guide mode allows auto-block top rope belays at anchors
  • Auto-block release hole accepts small carabiners
  • Item #BLD00ZB
tube, auto-blocking
Rope Diameter
6.9 - 9mm
Manufacturer Warranty
1 year

Overall Rating

5 based on 34 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 1 reviews
4 Stars - 4 reviews
5 Stars - 29 reviews

What do you think about this product?


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5 out of 5 stars

September 11, 2023


Classic belay device - recommend 100%, though I'm a new climber. A more experienced climber told me that the ATC wears down in the corners in time, and can damage your ropes. Still recommend - just keep an eye on it and replace when it's time

Marie H.

Originally reviewed on

5 out of 5 stars

June 14, 2023

Specific purpose - for small diameter rope raps works great!

Get this Belay/Rap device for 6-9mm rope. Works great.

Vernon M.

Originally reviewed on

5 out of 5 stars

June 3, 2023

great gear!!

Another great piece of BD gear! will be used for years with confindence


Originally reviewed on

5 out of 5 stars

June 2, 2023

Best all around guide plate for skinny ropes

It just works well if you are trained to use it in all modes. Belay from below, belay from above, belaying two climbers and expedient haul ratchet for short ascents and raises.

Andrew O

Originally reviewed on

5 out of 5 stars

March 5, 2023

This ATC does exactly what it's meant to. I trust my life with it, I trust someone else's life on it. It can take falls and a ton of use with little no showing of use. It's easily identifiable in relation to my larger ATC/belay device. Having this alpine gives me so many more options when it comes to rope diameters, and when you're working with large or small diameters, it's crucial to have the options.

Robert A

Originally reviewed on

5 out of 5 stars

December 13, 2022

Great for ski patrol!

I use this alpine ATC for ski patrol on Crystal Mtn and while I haven’t had to use it for real self evac situations off the lift, I I I have been using it a lot for training and it works great with the 6mm rope we use here at Crystal! Definitely recommend this for all you adventurers!

Carter H.

Originally reviewed on

3 out of 5 stars

December 9, 2022

The Alpine Guide is lighter than the regular Guide, but not by enough for it to really matter. If you're truly counting every ounce for alpine trekking, this may be worth the buy, but in general I'd just suggest a Guide.

June B

Originally reviewed on

5 out of 5 stars

November 22, 2022

Great belay device for thinner ropes

What can I say, it's an ATC-Guide and works just like an ATC-Guide but works with modern thinner single, double and twin ropes. It's built like a tank, just like its bigger brother the ATC-Guide but can handle thin, light and fast, ropes with ease.

Dave R.

Originally reviewed on

5 out of 5 stars

July 17, 2022

Perfect when using smaller diameter ropes

I’ve used this strictly for climbing on ropes smaller than 9mm. I traditionally use an ice line while climbing through terrain in the alpine that is well below my ability but when I like to be tied in or if I bring an 8mm rope strictly for rappelling what I don’t feel comfortable down-climbing. Makes belaying and rappelling feel more secure than my ATC Guide as it really grips those smaller diameter ropes.

Sarah T

Originally reviewed on

5 out of 5 stars

July 17, 2022

Looks solid, does what it intends. Meant for thin lead ropes. ~<9mm-ish (why I gave 9, I like atc/belay devices that can handle a greater range of rope diameter)

Joshua F

Originally reviewed on