Red Hills of Dundee HP is a summit on private property with all of the Activation Zone apparently also on private property.
K7ATN's blog
Githens Mountain, OR | July 2016
Githens Mountain in the Clackamas River drainage is a short, one mile hike and only about 500 feet of gain. It can be activated along with nearby Tumala (Squaw) Mountain from the same trailhead. Finding the summit may require a GPS, as it's not on the trail and isn't particularly distinct.
Tumala (Squaw) Mountain, OR | July 2016
Tumala (or Squaw) Mountain in the Clackamas River drainage is a nice walk through the woods of about 2.5 miles RT and about 800 feet of net gain.
Timber Butte, OR | June 2016
Timber Butte is a practically unknown destination not far from the busy trailhead for Triangulation Peak.
Outerson Mountain, OR | June 2016
Outerson Mountain is a practically unknown destination very near the very busy trailhead for Triangulation Peak.
Triangulation Peak, OR | June 2016
Triangulation Peak is a popular summer hike destination with a weekend procession of sandal-wearing hikers, small children and dogs. It's about two miles and 800 feet of gain and has fantastic views of Mount Jefferson and many Cascade Range peaks.
Lost Lake Butte, OR | June 2016
This is a nice hike of 1100 feet on a well-graded trail of about 4.8 miles round trip.
Indian Mtn, OR | June 2016
Indian Mountain, north of Mount Hood, is a remote summit with great views of Mount Hood.
Double Peak, OR | June 2015
A bit south of Cannon Beach there is this easy walk up a logging road. The sign at the gate indicates that hiking access is permitted. Starting in 2018 the landowner is requiring permits for access - see https://nncpermits.com/Permits/PermitDetails.aspx.
Selah Butte, WA | April 2016
A nice drive-up summit - so long as you have a high clearance vehicle. Head north of Yakima on I-82.