Peninsular Ranges are a major mountain system spanning Southern California and Baja California, characterized by high peaks, deep coastal canyons, and desert basins. From snow-capped summits to dry wadi landscapes, they host a variety of ecosystems and outdoor terrains.
Geography
| Continent | North America |
|---|---|
| Region | Southern CaliforniaBaja California |
| Subregion | Southern California and Baja California |
| Country | United StatesMexico |
| State | CaliforniaBaja California |
| Timezone | AmericaLos Angeles |
| Latitude | 32.5 |
| Longitude | -115.5 |
| Maps |
The Peninsular Ranges extend approximately _1,200 miles from southern California into Baja California, serving as a dynamic barrier and transition zone. The system is marked by **tall volcanic and crystalline peaks**—such as Sierra San Pedro Mártir and Cerro San Pedro—and by **extensive desert plateaus** and **coastal fjords**. They are critical to regional water flow, ecology, and climate patterns. Visitors cross a spectrum of environments: from **snow-sprung alpine slopes** and **fir and pine forests** to **barrancas and sand dunes**. Key access points and trails radiate from urban centers like San Diego and Tijuana_, linking to national parks, wilderness areas, and long-distance routes.
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