Salvation Mountain is an art installation covering a hill north of Calipatria, California, near Slab City and just several miles from the Salton Sea. It is made from adobe, straw, and thousands of gallons of paint. It was created by local resident Leonard Knight, and encompasses numerous murals and areas painted with Christian sayings and Bible verses.
In December of 2011, Knight (at the age of 80) was placed in a long-term care facility in El Cajon for dementia. Concern has been raised for the future of the site, which requires constant maintenance due to the harsh surrounding environment. Many visitors bring paint to donate to the project, and a group of volunteers have been working to protect and maintain the site. 
The site was featured in the 2007 film Into The Wild.
- Tony, Perry. "Salvation Mountain is missing its guiding spirit". Los Angeles Times. Retrieved 26 February 2012.
- "The Future Of Salvation Mountain Uncertain". KPBS.org. Retrieved 2012-02-28.
- Salvation Mountain - Official Website
- Salvation Mountain - History Website
- Salvation Mountain, Inc. Board of Directors Site - at Facebook.com
- Documentary - "Plagues & Pleasures on the Salton Sea"
- Video Tour of Salvation Mountain with Leonard Knight at Youtube.com
- Salvation Mountain on Google Maps
- Walkable virtual tour and treasure hunt on Snubble.com
- Extensive photo essay on Salvation Mountain: by National Geographic photographer Aaron Huey
- Portraits of Leonard Knight: by photographer Jace Rivers
- Portraits of Leonard Knight: by photographer Brooks Reynolds on cover and inside Mountains magazine issue 1
-  Cal Poly MA Thesis on Leonard Knight and his Salvation Mountain, along with 4 other visionary environmental artists.