where is big summit prairie in oregon
An overview and plantlist by Stuart G. Garrett, MD. Big Summit Prairie is located 30 miles east of Prineville, Oregon in the Ochoco Mountains at an elevation of. 4500 ft. It is a 5 by 7 mile basin that drains into the Crooked River system. The Prairie is an unexpected. meadow island in the dramatic old growth ponderosa pine forests that surround it.