It was located inside the Twin Peaks Tunnel, very close to its eastern end in the Eureka Valley neighborhood.

Plagued by high crime due to its low ridership and bent staircases, it was "a place as dangerous as any in the city.

"[3] The station was permanently closed in 1972, and "temporary" ramps to the surface were built through the east end of the platforms, allowing construction of the new tunnel while maintaining existing streetcar service (on 17th Street, Church, and Duboce).

[1]: 222  After eight years of construction, Castro station opened slightly to the east in 1980 when Muni Metro service was inaugurated on the three Twin Peaks Tunnel lines.

[3][5] The remaining platforms – the Bay Area's only ghost station – can be seen from passing trains, and the former stairwells serve as emergency exits that lead to hatches on the sidewalks outside.