is a railway station on the Tokyu Ikegami Line in à Âta, Tokyo, Japan, operated by the private railway operator Tokyu Corporation.
Ontakesan Station is served by the 10.9 km Tokyu Ikegami Line between and , and lies 6.4 km from the starting point of the line at Gotanda.
The station has two ground-level (partly elevated) side platforms serving two tracks.
The station opened on 4 May 1923 as . It was renamed Otakesan on 1 June 1933.
In fiscal 2011, the station was used by an average of 23,588 passengers daily.