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

Activity Notes

Meet at 7:00 AM at Troutdale outlet mall in front of Starbucks to carpool the rest of the way to Eagle Creek. Parking will be limited. NW Forest Pass required to park.   
Other Information
Driving Distance from Portland 74 miles
Distance - Round Trip 12 miles
Expected Duration Car to car in one day
Relevant Maps CG-F
Awards Qualified Waterfall Award, Wild Ones