The town of Vallehermoso, the seat of the municipality, is situated in the northern part of the municipality, 3 km from the coast and 18 km northwest of the island capital, San Sebastián de la Gomera.

The population was 2,945 in 2013,[3] and the area is 109.32 square kilometres (42.21 sq mi),[1] making it the second largest municipality of the island.

Vallehermoso is known for its "miel de palma" (palm honey) as well as tomato, potato and banana production.

The municipality features a rock-formed mountain Los Organos which are made up of basalt rocks.

The natural environment of the mountain area forms a part of the Garajonay Park.