Bryon Boyce said There is some newish signs put up by the FS a few years ago. One is just before you start climbing up Mt. Lowe. The trail on Rhodode...

The road is gated. The facility is about 3/4 of a mile from the gate.

This thread intrigued me last spring when I saw the facilities on top of Whale Head on Google Maps. I tried pretty much every weekend in May to get up...