THIS Mount Scott (Scott, Mount in the ARM) is a volcanic cinder cone (extinct) southeast of Portland, Oregon. The summit is 1095 feet ASL. This summit is in a suburban neighborhood with no significant public space within the activation zone.

A good address for activating the summit is 11500 SE Ridgeway Drive, Happy Valley, OR 97086. Note that access is from the south and east - there are restricted streets on the west side of Mount Scott. SE Idleman Road to SE Taylor Road is a suggested route. 

At the intersection of SE Ridgeway Drive and Eastview Drive there is a gated street with a single car parking spot that you might use for activating this summit. Watch out for the overhead power lines! With all the RF sites up there, doing HF can be a problem although 2m FM has not had any problems. 

See also http://en.wikipedia.org/wiki/Mount_Scott_(Clackamas_County,_Oregon). Note that there is another, much more famous Mount Scott in Oregon, W7O/CS-003.