Part of 14. Ostroh Duhové věže, Mrňous has 6 routes documented on climbing.place. Routes range from grade 2+ to 5+. Routes are listed below with grade, style, and community notes.

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5+
Along the valley edge or right along the overhanging wall…
Rock Climbing
4+
From the right (J) wall traverse left to the ring.
Rock Climbing
5+
Through the center of the SE wall (K) directly to the…
Rock Climbing
2+
Along the short plateau edge to the summit.
Rock Climbing
3
From the saddle right to the right plateau edge and along…
Rock Climbing
5
Through the center of the S wall to the summit.
Rock Climbing