These are documents important to the history and preservation of the Ridge Route.
- 1934 Ridge Route Relinquishment
- Ridge Route – National Register Of Historic Places Listing
- 2005 County of Los Angeles Road Vacation
- 2010 Pacific Pipeline Consent Decree
- 2010 Forest Service Roadway Rehabilitation Contract
- June 2019 Geologic Study of the southern Forest Service gate
- 2025 North Lake Specific Plan
