This area houses a freestanding pillar climb that looks like a miniature version of the Fang in Vail. There is also potential for hard mixed climbs, which people may or may not have already climbed.
Getting There
The amphiteatre sits high on the east side of the canyon. To view it, head south into Spearfish Canyon. Very near the National Forest sign, look high on the left side of the canyon for a side canyon. The pillar is visible from the road. Bushwhack up the steep drainage into the side canyon - the approach takes about a half hour.
The Classics
Mountain Project's determination of some of the classic, most popular, highest rated routes for Terminator Amphitheatre:
There is a new bolted line on the left side of the cave, 6 bolts and an anchor. This is a decent warm up for the area. You can climb this route in rock shoes or with axes and crampons if you like. I put this route in yesterday and it has not been climbed yet. the route is open for climbing, have fun.