This is a nice climbing section from Gunn Ranch Road towards Rendezvous Pass. Note that after a about a half a mile after a steeper climb there is a lazy, right-hand fork that you can take up to meet the main trail after it has passed the Gardner Hut and before it gets to Cub Trail
. This is called the Tank Trail as it passes a livestock water tank. If you take this trail, you cross a recently rebuilt wooden plank bridge, up a short steep section, and then it's a singletrack on an old road bed.
Follow the trail, and it will eventually intersects with the main RDV Loop. Taking a left takes you to the Gardner Hut. Taking a right takes you to the start of the Cub Trail
. Try taking a left, dropping all the way back to Gunn Ranch Road, then taking the road back up to RDV Pass. This puts you back on the main trail just where Cub Trail