All Locations > Colorado > Morrison/Evergr… > Alderfer/Three Sister…

The Land of Slabs Bouldering

Climbing Area Map

Areas in The Land of Slabs

Acceleration 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 1

Buffalo Block, The 0 / 0 / 0 / 3 / 0 / 0 / 0 / 0 / 3

Highball Wall, The 0 / 0 / 0 / 5 / 0 / 0 / 0 / 0 / 5

Insurmountable Block, The 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 1

Over Easy-Mineral Wall Area 0 / 0 / 0 / 4 / 0 / 0 / 0 / 0 / 4

Shark Boulder, The 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 1

Slab, The 0 / 0 / 0 / 3 / 0 / 0 / 0 / 0 / 3

Warmup Block, The 0 / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 1

Explore this area in 3D

Use onX Backcountry to explore the terrain in 3D, view recent satellite imagery, and more. Now available in onX Backcountry Mobile apps! For more information see this post.

Elevation:	7,700 ft	2,347 m
GPS:	39.62866, -105.3502 Google Map · Climbing Area Map
Page Views:	25,611 total · 130/month
Shared By:	Jason Kaplan on Sep 15, 2008
Admins:	Leo Paik, John McNamee, Frances Fierst, Monty, Monomaniac, Tyler KC Page Updates (admin only)

See Weather Forecast

Access Issue: West side of park complete closure information Details

jeffco.us/980/Alderfer-Thre….

CLOSED: Forestry Closure Update - FULL WEST SIDE CLOSURE begins 12/11.

The west side of the park will be completely closed for forest health mitigation until further notice (~mid-2024, weather-dependent). The west trailhead parking lot will remain open for access to the south. Trails impacted by closure: Mountain Muhly Trail, Bearberry Trail, Homestead Trail, Silver Fox Trail, Ponderosa Trail, and the majority of Sisters Trail. 2023 ALD Forestry - a map of the Second Segment Closure (PDF) can be found through the link above.

The eastern side of the park and trailhead have reopened following completed forestry work in that area.

Description

This is a group of blocks near The Sisters trail on the back side of The Sisters.

Getting There

Over the hill and down to the right from The Shoulder Boulders or just hike The Sisters trail over the ridge and to the back side.

19 Total Climbs

Route Finder - Best Climbs for YOU!

Location:	The Land of Slabs Change
Type:	to Trad Sport Toprope
Quality:
Pitches:
Sort by:	then:

Classic Climbing Routes at The Land of Slabs

Mountain Project's determination of the classic, most popular, highest rated climbing routes in this area.

V1 5 7 ● Flying High Boulder Highball Wall
V1+ 5 4 ● Back Full of Barnacles Boulder Shark Boulder
V1-2 5 6 ● Intro to Slab Boulder Warmup Block
V2 5+ 8 ● Unknown Boulder Slab
V4 6B 6 ● Slim Jim Boulder Slab
V5-6 6C+ 5 ● Over Easy Boulder Over Easy-Mineral Wal…