About
Nam Nao Geopark Trail - 37K is a 37.0 km trail race with 1,720m elevation gain in Thailand. Terrain: mountain, forest. Near Nam Nao National Park. Rated challenging difficulty. Located near Phetchabun, Phetchabun.
Organized byKhaolungban Trail
Difficulty
Challenging54 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density46 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:11h