Guidebook
NO. 15 BONNER GRADE - The first road from Cedarville to Alturas followed the course of the present highway over Warner Mountains from Surprise Valley. It was named in honor of John H. Bonner, who was instrumental in securing the construction of the road over Bonner Grade in 1869.
Location
Cedar Pass, State Hwy 299 (P.M. 51.3), 6.2 mi W of Cedarville
Open Map
Notes
We found a marker whose plaque is missing. I wonder what it commemorated?
NO. 15 BONNER GRADE - Heading West on Hwy 299
NO. 15 BONNER GRADE - Heading West on Hwy 299
NO. 15 BONNER GRADE - Heading East on Hwy 299
NO. 15 BONNER GRADE
NO. 15 BONNER GRADE -What did the missing plaque say?