★★ Indispensable Knowledge 7b

Climb straight up from dirty groove anchors up some of the cleanest pock-marked limestone around into a scooped roof. Tricky reachy crux and then sustained to the anchor. It has 2 extensions, Ants Marching Left and Ants Marching Right. Climb 17 on topo

Fisher valley

• Due to the potential of rock fall anytime outdoors please understand that helmets are considered REQUIRED to climb anywhere here on the island. The Vietnamese government is looking for an excuse to shut down climbing in the area, don't be the reason we lose access to this beautiful area.

• Please remove all trash you bring in when you leave

• Many of the routes here have either rams horn anchors, permanent carabiner anchor or quick links. please only use this equipment for lowering and cleaning purposes. If you are top roping on any line please set up your own anchor system.