Morgan Territory Regional Preserve, Regional park in Contra Costa County, California, United States.
Morgan Territory Regional Preserve is a regional park in Contra Costa County, California, covering rolling sandstone hills with a network of trails. The landscape connects to Mount Diablo State Park and features varied elevations and open terrain.
Jeremiah Morgan established a ranch on this land in 1857, using it for agricultural purposes during the nineteenth century. The East Bay Regional Park District acquired the property in 1975 and transformed it into protected public parkland.
The east side of Mount Diablo was the homeland of the Volvon, one of five tribes speaking Bay Miwok dialects. Spanish explorers began colonizing the area east of San Francisco Bay in 1772, and most native resistance to the imposed way of life ended around 1806. The Volvon Trail follows a ridge from the main pass at about 1,900 feet.
The preserve is open during daylight hours throughout the year and welcomes hikers, horseback riders, and campers on designated sites. Visitors should prepare for uneven terrain and bring adequate water and shade during warm seasons.
The Diablo sunflower (Helianthella castanea) is one of more than 90 wildflower species recorded in the preserve by the East Bay Regional Park District. It is native to the foothills of Mount Diablo, so the preserve's slopes on the mountain's east side fall within its natural range.
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