http://www.portlandhikersfieldguide.org/wiki/Larch_Mountain_Hike

Activity Notes

We will hike from Multnomah Falls to 3 mile junction, turn right and follow old road to cut off trail to Devil?s Rest, returning via Wahkeena Fallls trail and along 400 back to Multnomah Falls. 
Traction devices required! 10 miles. 2900? elevation
Other Information
Driving Distance from Portland 48 miles
Distance - Round Trip 16 miles
Expected Duration Car to car in one day
Relevant Maps CG2
Awards Qualified Awesome Ridges Award, Gorge High Points
Useful Links