Geobatrachus walkeri, commonly known as Walker's Sierra frog, is a species of frog in the family Craugastoridae. It is the only species in the monotypic genus Geobatrachus. It is endemic to Sierra Nevada de Santa Marta, Colombia. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss. References Craugastoridae Amphibians of Colombia Amphibians of the Andes Amphibians described in 1915 Endemic fauna of Colombia Monotypic amphibian genera Taxa named by Alexander Grant Ruthven Taxonomy articles created by Polbot