Part of Janovická vlčí rokle, Nerváček has 3 routes documented on climbing.place. Routes range from grade 3 to 6-. Routes are listed below with grade, style, and community notes.

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6-
Up the wall along the east edge (ring) to the summit.
Rock Climbing
3
On the SW side of the tower, ascend the chimney to the…
Rock Climbing Textile belay
4-
From the SE, via a wide crack to the pillar and then via…
Rock Climbing