Las Zetas de la Pedriza
- Type: mtb
- Network: rcn
- Operator: Parque Nacional "Sierra de Guadarrama"
- Reference: Nº 12
- ascent: 905
- distance: 31.0
- mtb:scale: 0
- roundtrip: yes
Mountain bike route from the OpenStreetMap community, with statistics, an elevation profile and gpx and kml downloads.