The Rich Gulch Trail connects the Brandy Creek Falls Trail to the Brandy Creek Falls trailhead fire road. Part of The Chimney
There's a very steep climb at the start off of the Brandy Creek Falls Trail. The steep climb is rideable for an expert, hike-a-bike for the rest.
The downhill section is long, flowy and fun. Some mountain bikers have built up berms and a few small jumps. This trail is all singletrack, with some of it on old logging or fire road access.
It can be ridden either direction, but riding from Brandy Creek Falls Trail down to the fire road makes the most sense.