Urban Crag is the first large cave on Lone Mountain look for the graffiti letters J M T. 14 routes exist ranging from 5.9-5.12a, sunny east facing with afternoon shade. The routes here are on mainly vertical to steep/slightly overhanging rock. Standout routes include Mud Tiger (5.11b), Dirt Lion (5.12a), Mega Poser (5.12a), Monster Truck Challenge (5.11d) and Twilight of a Poser (5.11a).
Getting There
From the city park on Jensen just North of the mtn. Follow the trail south of the park to a large cave (ignoring the first smaller alcove you come to).