Flows NE from Sixtymile Butte to Dennison Fork, 49 miles NE of Tok, Yukon-Tanana High.
Local name reported y
Dennison Fork, Mosquito Fork Fortymile River, Myers Fork, West Fork Dennison Fork,
Streams:Big Timber Creek, Bullion Creek, Cement Creek, Chicken Creek, Eagle Creek, Ingle Creek, Left Fork Chicken Creek, Lilliwig Creek, Lost Chicken Creek, Old Man Creek, Stonehouse Creek, Switch Creek, Taylor Creek, Wilson Creek,