Located a short distance away from Fort Apache. It was to the north/northeast of the Fort, found by following the Burma Road for a couple hundred yards.
In addition to being used in hundreds of movies, the Relay Station/Dugout Cabin was used by many of those who worked at the Ranch as a hideaway for romantic rendezvous. Many a first kiss was exchanged there.
(photo from the Minard Coons collection; caption by Bill Raymond)
A closeup of the relay station/dugout cabin (from the author's collection)
Another closeup of the relay station/dugout cabin (from the author's collection)
The relay station/dugout cabin as first seen in Fort Apache: