OK Ravinen is a Swedish orienteering club in Nacka founded in 1950.
Its house is located in Nackareservatet near Källtorpssjön.
[4] The club won the Swedish championships in relay in 1978, 1979 and 1980.
[5] Björn Rosendahl, Gustav Bergman, Helena Bergman, Annichen Kringstad and Ruslan Glebov have run for the club.
This orienteering article about an organization is a stub.