If you're looking for summits on rock, here's some options down by Santiam Pass:
Some moderate stuff:
Mt. Washington, North Ridge (5.1)
Three Fingered Jack (5.1) easy, fun climbing!
Some more-involved stuff:
Mt. Washington, West Face (5.6, exposed 4th class) some loose pro on the first pitch, avoid if anyone above you.
Mt. Washington, West Ridge (5.7/5.8, exposed 4th class)
Snow stuff (these are a bit of a march though):
Sunshine, Mt. Hood
Jeff Park G/Russell G., Mt. Jefferson (share a 5.1 traverse and pinnacle after some glacier)