Ring Mountain (California)
|Elevation||603 ft (184 m) NAVD 88|
|Prominence||402 ft (123 m) |
|Location||Marin County, California, U.S.|
|Topo map||USGS San Quentin|
Cellphone service is available on most major carriers.
A number of rare and endangered flora inhabit Ring Mountain. The landscape is strewn with many sizable boulders which exhibit a variety of lithologies including high-pressure metamorphic rocks of amphibolite and eclogite grade.
Though Ring Mountain is an island ecosystem surrounded by Highway 101 and suburbs, it hosts a variety of wildlife, including deer, skunks, and many birds and reptiles.
Ring Mountain is a popular hiking area and provides spectacular 360 degree views of the northern Bay Area. 
The history of the Hilo Bayfront is detailed in great extent in the book Hilo Bay, a chronological history
- Calochortus tiburonensis
- Castilleja neglecta
- Streptanthus niger
- Triangle Marsh
- Category: Endemic flora of California
- "Ring". NGS data sheet. U.S. National Geodetic Survey. Retrieved 2014-02-12.
- "Ring Mountain, California". Peakbagger.com. Retrieved 2014-02-13.
- "Ring Mountain, Open Space Preserve". County of Marin. Archived from the original on 2008-06-21. Retrieved 2009-12-07.
- Earth Metrics Inc. (1989) Marinero Estates Environmental Impact Report, Tiburon, California, prepared for the city of Tiburon, Ca.
- Hogan, C. Michael (2008). Burnham, Andy, ed. "Ring Mountain – Carving in United States in The West". The Megalithic Portal. Retrieved 2009-12-07.
- Hogan, C. Michael (2008). Andy Burnham, ed. "Ring Mountain, The Megalithic Portal,".
- http://www.marincounty.org/recreation Retrieved 2017-3-21
- Marion Kelly, et. al. (1981). Hilo Bay, a chronological history: land and water use in the Hilo Bay area, island of Hawaiʻi. Prepared for U.S. Army Corps of Engineers. p. 341.
- "Ring Mountain". Geographic Names Information System. United States Geological Survey. Retrieved 2009-01-07.
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