PA Bouldering
Sleestack, the main line of Sleestack Extension, on the Sleestack Boulder boulder

Sleestack Boulder · Variation of Sleestack

Sleestack Extension

v7★★

Sleestack Extension is a v7 boulder problem, a variation of Sleestack, on the Sleestack Boulder boulder at Rock Run: Miners Run, Lycoming County, Pennsylvania. Rated 2 stars for quality.

Climb Sleestack to the lip, then continue along the sloper lip to the top out of Stack Project.

Height
12 ft
Faces
N
Approach
8 min

Sleestack and variations2

  • Sleestack v4 ★★★

    Start matched on a good ledge on the left end of the rail. Traverse right to gain a jug. Move to the lip followed by an easy topout.

  • Stack Project Low Project

    Start as Sleestack and climb into Stack Project.

  • Sleestack Extension v7 ★★

    Climb Sleestack to the lip, then continue along the sloper lip to the top out of Stack Project.

Photos & Video2

High Noon Boulder A is immediately up a herd path along the west edge of the creek. Cross the bridge and head up the hill to connect with Old Miners Trail. Hike 6 minutes (480 yards) until you see a cluster of boulders in the creek. Follow a herd path safely down the hill for 2 minutes (100 yards) until you reach Sleekstack D.

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