[2][3] Borland Road runs along much of the Grebe Valley to Lake Manapouri.
It was built in 1963 to support a transmission line between the lake and Tiwai Point aluminium smelter.
[4] A tramping track runs from the northern end of Lake Monowai to the head of the Grebe and up to the road.
The Department of Conservation maintains several huts for trampers in the area.
[5] Whitewater kayaking/canoeing is possible on the last three km of the Grebe, from Percy Valley to Lake Manapouri.