This walk straddles the boundary between Portland and Milwaukie and takes you along the Springwater Corridor Trail past wildlife viewing platforms at the 6-acre Tideman-Johnson Natural Area.Located in a gorge of Johnson Creek, the natural area is a favorite of local birdwatchers. Return through Milwaukie’s charming Ardenwald neighborhood.

http://www.oregonmetro.gov/files/living/southeastportlandcreeks.pdf