Granite Peak Climb Gear List
Granite Peak Climb Packing List
This packing list covers all the gear you'll need for a guided Granite Peak climb with The Mountain Guides — Montana's highest peak at 12,807' and one of the most technical state highpoints in the Lower 48. Located in the Beartooth Wilderness of Custer Gallatin National Forest, Granite Peak combines a long backcountry approach with technical fifth-class climbing on the summit pyramid — making it a serious multi-day mountaineering objective rather than a hike.
Our AMGA-certified guides supply all technical climbing hardware (ropes, rack, harnesses, helmets, locking carabiners, belay/rappel devices, crampons, ice axes), so this list focuses on the personal clothing, footwear, camping gear, and food you're responsible for bringing. Climbing season runs mid-July through mid-September, with late July through August offering the most stable conditions on the Snowbridge Couloir and summit pitches.
What to Expect on a Granite Peak Expedition
Granite Peak is significantly more technical than most state highpoints. Expect:
Significant approach mileage — typically a multi-day backpack from the Mystic Lake or East Rosebud trailheads to a high basecamp at Avalanche Lake or Froze-to-Death Plateau
Multi-day backpacking carrying full expedition gear into and out of basecamp
Snow and glacier travel on the Snowbridge Couloir or similar approach routes — crampons, ice axe, and rope team protocols required
Technical fifth-class climbing on the summit pyramid — short pitches of low-fifth-class rock with significant exposure
Variable mountain weather — afternoon thunderstorms are routine in the Beartooths; alpine starts (3-5 AM summit days) are the norm
Long summit days — 12-16 hours from basecamp to summit and back is typical
A typical guided Granite Peak expedition runs 4-6 days depending on weather windows and group pace.
What's Included vs. What You Bring
The Mountain Guides supplies all technical equipment, including:
Rock climbing gear and rack
Climbing harnesses, helmets, locking carabiners
Belay and rappel devices
Crampons and ice axes
Group rope systems
Rentals are available for backpacks, mountain boots, sleeping bags, and rock shoes through our Jackson office — coordinate in advance for sizing.
You provide all personal clothing, footwear, layering, sleeping kit, water treatment, and food (detailed below). You're welcome to bring your own technical equipment if you prefer — please coordinate with the office for a pre-trip gear check.
Footwear
Sticky-Rubber Approach Shoes – required for mid-summer climbs (mid-August through September) when the upper mountain is largely dry Guide Pick: Scarpa Crux (Men's / Women's)
Crampon-Compatible Mountain Boots – required for early-season climbs (mid-July through early August) and any climb with significant snow on the upper mountain Guide Pick: Scarpa Zodiac Tech (Men's / Women's) Mountain boots are also available for rent — coordinate with the office in advance.
Lightweight Wool or Synthetic Socks – sized for your boots; bring multiple pairs for blister prevention Guide Pick: Light Crew Merino Socks
Your guide will confirm which footwear setup is appropriate for your specific trip dates and conditions.
Upper Layers
Long Underwear Top – synthetic or merino wool Guide Pick: Black Diamond Lightwire LS Tech Tee (Men's / Women's)
Sun Hoody – synthetic or wool, long-sleeve (alternate to long underwear top, depending on conditions) Guide Pick: Black Diamond Alpenglow Hoody (Men's / Women's)
Synthetic T-Shirt Guide Pick: Black Diamond Distance SS Tech Tee (Men's / Women's)
Insulating Jacket – lightweight fleece or synthetic Guide Pick: Black Diamond Coefficient LT Hybrid Hoody or Solution 2.0 Hoody (Men's / Women's)
Soft Shell or Wind Shirt Guide Pick: Black Diamond Alpine Start Hoody (Men's / Women's)
Waterproof Rain Jacket with Hood Guide Pick: Black Diamond Fineline Stretch Shell (Men's / Women's)
Bottom Layers
Long Underwear Bottoms – synthetic or wool Guide Pick: Black Diamond Coefficient LT Pants (Men's / Women's)
Hiking Shorts or Pants – for the approach Guide Pick: Black Diamond Pursuit Shorts (Men's / Women's)
Synthetic Climbing Pants Guide Pick: Black Diamond Alpine Pants (Men's / Women's)
Waterproof Rain Pants Guide Pick: Black Diamond Fineline Stretch Pants (Men's / Women's)
Head & Hands
Warm Hat – lightweight to mid-weight, sleek enough to fit under a helmet Guide Pick: Black Diamond Active Beanie
Sun Hat – also helmet-compatible Guide Pick: Black Diamond 5-Panel Synthetic Cap or Desert Mullet
Buff or Neck Gaiter Guide Pick: Black Diamond Neck Gaiter
Two Pairs of Gloves – lightweight to mid-weight, synthetic or fleece Guide Pick: Black Diamond Crag Gloves and Midweight Softshell Gloves
Backpack & Sleeping System
Alpine Climbing Pack – internal frame, 45–50 L for a 2- to 4-day trip; sized to fit all personal gear plus 10 lbs of food and water Guide Pick: Black Diamond Mission 55 (Available for rent)
Sleeping Bag (Available for rent) — confirm temperature rating with your guide based on your trip dates
Sleeping Pad – closed-cell foam or Therm-a-Rest (required on some trips — please inquire with the office to confirm whether yours requires one)
Hydration, Water Treatment & Food
Water Bottles – 2-3 liters of capacity total, or hydration bladder. A half-liter Nalgene for hot drinks is a useful addition
Water Treatment – Steripen, in-bottle filter, or chemical drops
Personal Cup, Bowl & Utensils – for meals at basecamp
Lunch & Snacks – graze-style: bars, jerky, cheese, crackers, dried fruit, candy, PB&J. Mix sweet, salty, fat, and protein.
Electrolyte Drink Mix
Summit-Day Treats – save some favorite snacks for summit day; the morale boost matters
Other Essentials
Dark Sunglasses – glacier-rated (Category 4) recommended for early-season trips with snow travel
Extra Contact Lenses or Prescription Glasses
Sunscreen – 35+ SPF
Lip Balm with SPF
Headlamp with fresh batteries; alpine starts are guaranteed Guide Pick: Black Diamond Spot 400 Headlamp
Small First Aid Kit – blister care, ibuprofen, personal medications (guides carry a full kit)
Stuff Sacks or Zip-Lock Bags – for organization and waterproofing
Misc Personal Items – minimal; light knife, bandana, camp suds, washcloth, etc.
Recommended & Optional Items
Trekking Poles – highly recommended for the long approach and exit days Guide Pick: Black Diamond Pursuit Carbon Z Trekking Poles or Trail Cork Trekking Poles
Custom or Aftermarket Insoles – worth their weight on a multi-day trip
Camera with batteries and a spare memory card
Insect Repellent (Ask the office whether your trip dates require this — early-summer Beartooth mosquitoes can be intense)
Headnet (Ask the office whether your trip dates require this)
Closed-Toed Camp Shoes – lightweight relief at basecamp after a long day
Cold Weather & Shoulder-Season Considerations
Early-season (mid-July) and late-season (early September) trips can run cold, especially at altitude on summit day. Consider adding:
Extra Down Vest or Jacket Guide Pick: Black Diamond Access Down Hoody (Men's / Women's)
Expedition-Weight Long Underwear
Extra Gloves – Alpine Softshell Gloves
Related Trips & Resources
Montana guided programs — including Granite Peak expeditions and other Beartooth Wilderness objectives
Beartooth Wilderness programs — full directory of guided trips in the range
Mountaineering programs — full directory of guided peak ascents
Multi-Day Summer Climb Equipment List — broader gear list for multi-day summer alpine objectives
Gannett Peak Equipment List — companion list for Wyoming's highest peak
Questions About Gear?
We're here to help. Contact our office with any questions about gear requirements, rental availability for boots, packs, and sleeping bags, or trip-specific considerations for your Granite Peak climb — including approach choice, weather windows, and personalized layering guidance.