From Meadow Creek Basin to the north, ascend Chief Mountain and then traverse west (Class 3 getting up to Point 11,930, the highpoint) or find a trail in the upper basin climbing to the pass just west of Point 11,930.
It is an easy, scenic hike over to Brown Mountain from here, and this map shows the route.
This is part of the Francs Peak quad; image from topoquest.com.
Absaroka Range, WY