Introduction
Circuit Roads
Route 7 — Rim Drive
Approach Roads
Route 1 — West Entrance Road
Route 2 — South Entrance Road
Routes 3 & 4 — Munson Valley Road
Route 5 — East Entrance Road
Route 8 — North Entrance Road
Other Roads
Route 6 — Grayback Road
Early Travel to Crater Lake
Fort Klamath — Jacksonville Wagon Road
Design and Construction of Circuit Roads
Building the first Rim Road
The Need for Reconstruction
Designing a new "Rim Drive"
NPS Collaboration with BPR
Road Location
Construction of Rim Drive
Segment 7-A (Rim Village to Diamond Lake
Junction)
Segment 7-B (Diamond Lake Junction to Grotto
Cove)
Segments 7-C and 7-C1 (Grotto Cove to Kerr
Notch)
Segment 7-D (Kerr Notch to Sun Notch)
Segment 7-E (Sun Notch to Park Headquarters)
Other Designed Features along Rim Drive
Trails
Buildings
Signs
Postwar Changes
Segment 7-A (Rim Village to Diamond Lake
Junction)
Segment 7-B (Diamond Lake Junction to Grotto
Cove)
Segments 7-C and 7-C1 (Grotto Cove to Kerr
Notch)
Segment 7-D (Kerr Notch to Sun Notch)
Segment 7-E (Sun Notch to Park Headquarters)
Design and Construction of Approach Roads
The Army Corps of Engineers Road System
Pinnacles Road
Fort Klamath Road
Medford Road
Other Approaches
NPS and BPR Collaboration on Approach Roads
Route 1 (West Entrance to Annie Spring)
Route 2 (South Entrance to Annie Spring)
Routes 3 and 4 (Annie Spring to Rim Village)
Route 5 (East Entrance to Kerr Notch)
Route 8 (North Entrance to Diamond Lake
Junction)
Construction and Use of Other Roads
Secondary Roads
Route 6 (Lost Creek to Vidae Falls)
Routes 25-49 (fire roads)
Service Roads
Rim Village
Park Headquarters
Annie Spring vicinity
Outlying Areas
Conclusion
Bibliography
Historic American Engineering Record Addendum to
Crater Lake National Park Roads HAER No. OR-107
