Local note · Last reviewed June 30, 2026
Live Oak Park and Recreation Area in Sutter County has Feather River day use, a boat launch, camping stalls, picnic space, basic rules, and county-run hours to check.
1 source
Local note · Last reviewed June 30, 2026
Lodi Lake gives the city a practical outdoor stop with a shaded nature trail, beach season, water access, and simple pet and closure rules to check.
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Local note · Last reviewed June 30, 2026
Madrona Marsh is a City of Torrance preserve and nature center where local rules, hours, programs, and restoration work shape a simple nature visit.
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Local note · Last reviewed June 30, 2026
Brentwood's local trail network connects with Marsh Creek Regional Trail, a paved route that points west toward Big Break and the Delta edge.
2 sources
Local note · Last reviewed June 30, 2026
Merced National Wildlife Refuge has wetlands, grasslands, vernal pools, riparian areas, a five-mile auto tour route, nature trails, cranes, and geese on the Pacific Flyway.
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Local note · Last reviewed June 30, 2026
Mission Bay Park has shoreline, sandy beaches, bike paths, boat launches, playgrounds, picnic spots, and calm bay options.
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Local note · Last reviewed June 30, 2026
Mojave Narrows Regional Park sits along an old riverbed south of Victorville, where cottonwoods, willows, water, wildlife, camping, and trails soften the high desert.
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Local note · Last reviewed June 30, 2026
Mojave is a remote preserve with desert habitats, long human history, and road conditions that visitors should check before they go.
2 sources
Local note · Last reviewed June 30, 2026
Montaña de Oro State Park has rugged cliffs, sandy beaches, coastal plains, trails, tide pools, camping, and Spooner's Cove.
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Local note · Last reviewed June 30, 2026
Mount Diablo pairs big summit views with trails, rock formations, varied habitats, camping, and a visitor center.
1 source
Local note · Last reviewed June 30, 2026
Mount Rubidoux is a 161-acre Riverside park and landmark west of downtown, with paved roads, dirt trails, and dawn-to-dusk access.
1 source
Local note · Last reviewed June 30, 2026
Mount San Jacinto State Park rises from the desert side and Idyllwild side, with high-country trails, campgrounds, views, and changing mountain conditions.
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Local note · Last reviewed June 30, 2026
Mussel Rock Park in Daly City is public coastal open space on a closed landfill area, with hiking, beach access, dog walking, fishing, hang-gliding, and ongoing coastal monitoring.
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Local note · Last reviewed June 30, 2026
Natural Bridges State Beach is known for its sea arch, family-friendly beach, tide pools, and seasonal monarch butterfly viewing.
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Local note · Last reviewed June 30, 2026
Nevada County's Trail Finder uses GIS data to show trail details such as managing agency, surface type, and allowed uses like hiking, biking, equestrian use, and OHV use.
1 source
Local note · Last reviewed June 30, 2026
Nojoqui Falls Park is a county park where a short trail leads visitors toward the falls.
1 source
Local note · Last reviewed June 30, 2026
North Etiwanda Preserve is a protected foothill habitat area near Rancho Cucamonga, with more than 1,200 acres, a trail map, and rules that put the land first.
2 sources
Local note · Last reviewed June 30, 2026
Oak Canyon Nature Center is a 58-acre Anaheim Hills park with a stream, three canyons, four miles of trails, and an interpretive center.
1 source
Local note · Last reviewed June 30, 2026
Oceanside Pier is a free waterfront walk for fishing, views, and beach time, with most of the pier open while the far west end is rebuilt.
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Local note · Last reviewed June 30, 2026
Mission Viejo's Oso Creek Trail system has 5.5 miles of trails, city-listed trailheads, easy to moderate sections, and a city brochure for planning.
1 source
Local note · Last reviewed June 30, 2026
Oxbow Commons gives downtown Napa a riverfront park with trails, an amphitheater plaza, event use, and high-water access notes to check.
2 sources
Local note · Last reviewed June 30, 2026
Oxnard Beach Park is a 62-acre city beach park with picnic tables, a playground, volleyball, BBQs, lawn, and beach access.
1 source
Local note · Last reviewed June 30, 2026
Oyster Bay Regional Shoreline gives San Leandro a paved Bay Trail segment today, while the city's Shoreline Park project points to more public waterfront access ahead.
2 sources
Local note · Last reviewed June 30, 2026
The Pacific Electric Trail runs 7 miles through Fontana, linking parks, resource centers, scenery, and everyday walking or biking space.
1 source