This photo only shows the top 2/3. The bottom, uns...
This area has a few really fun routes. 100ft of of solid rock (plenty of gear placement options that are sound) with face climbing, a fun roof, corner routes and a few jams here and there and a really fun offwidth to roof start option called Cal's Ceiling 5.7+. You'll find a nice mix of features in this area. Great cruising to moderate difficulty level routes.
Most of the routes start at the big ledge about 20ft up (can't miss it once there). You can mix and match routes (starter route to ledge links to start of another route) easily.
There are options for anchors on top including slinging natural features.
This is the 3rd prominent formation to the right starting from Jim's Throne. Jim's, Pillar 2 then Calvin's Slabs.
Mountain Project's determination of some of the classic, most popular, highest rated routes for Calvin's Slabs:
Climb the offwidth (for the skinny just about a squeeze chimney) and pull the roof. If avoiding offwidths the face also can be climbed then pull the roof and this goes about 5.5/5.6....[more]Browse More Classics in PA