Garfield County High Point Trip Report
Diamond Peak (6,379 ft)
Date: July 31, 1994
Author: John Roper
USGS Diamond Peak.. DeLorme: p42/D4. S3-T7N-R42E.
A farther east continuation of the ridge from Oregon Butte,
separating the Tucannon and Wenaha Rivers. There is a 6360+ contour
(could be 6399') WNW of this summit which may be higher. Better do it too.
Drive about 34 miles south from Pomeroy on HW 128 to Mountain Road to FS Road 40
to its highest point at the very headwaters of the Tucannon River. Then turn west
on FS Road 4030 to its end. Follow the 1-mile trail to the top.