This is the huge boulder nestled in the trees across the valley that is visible from the top of the hill next to Tweedy Bird Rock.
Hike past Tweedy Bird Rock and hike straight north across the creek bed and into the maze of small trees, the huge boulder is visible from the start of the approach and you can lose sight of it when you get into the maze. Continue North and you will approach the boulder from the back and you cannot see the lines until you walk around the boulder.
Browse More Classics in Chalk Sack Boulder
Mountain Project's determination of some of the classic, most popular, highest rated routes for Chalk Sack Boulder:
Busted Goods V2 PG13 Boulder, 15 feet
Featured Route For Chalk Sack Boulder
Start at the bottom right of the smooth overhang from a sit start. Traverse left onto the good sloper and make a big dynamic lunge to a sharp juggy ledge. Use the pocket and slopers to move up to the tallest point of the boulder for the sketchy top out....[more] Browse More Classics in TX