Contra Loma Regional Park
Antioch, Contra Costa County, CA
- Size
- 681 acres Source
- Swimming
- Swim lagoon closed Source
- Managed by
- East Bay Regional Park District
About Contra Loma Regional Park
An Antioch park built around an 80-acre reservoir with year-round fishing, hiking, and biking. Source
To reach Contra Loma from Highway 4 in Antioch, exit on Lone Tree Way, go right on Golf Course Road and right on Frederickson Lane to the park.
Facilities
- Boat Launch
- Picnic Area
- Restrooms
- Volleyball
Facility details: OpenStreetMap
Contra Loma Regional Park at a glance
- PParking · 6
- WCRestrooms · 2
- Named trails · 5
Outline: CPAD. Points and trail lines: OpenStreetMap contributors. Not for navigation.
Trails
| Trail | Mapped length | Elevation | Surface & uses |
|---|---|---|---|
| Old Ranch Loop Trail | 2.3 mi | 396 ft up & down128–231 ft | Unpaved |
| West Shore Trail | 1.5 mi | 117 ft up & down209–229 ft | Unpaved |
| Los Charros Trail | 0.6 mi | 38 ft up & down192–218 ft | Unpaved |
| East Shore Trail | 0.5 mi | 27 ft up & down208–222 ft | Unpaved |
| Old Homestead Loop Trail | 0.4 mi | 123 ft up & down351–452 ft | UnpavedBikesHorses |
Trail names and mapped lengths come from OpenStreetMap; lengths count only the part inside the park boundary. Up-and-down totals (climbing plus descent, one way) and elevation ranges are estimates from USGS 3DEP elevation (about 15 m grid) sampled along the mapped line. Use the official guide map for the route and current closures.
Getting to Contra Loma Regional Park by bus
- James Donlon Boulevard & G Street · Routes 390 · 450 ft from the park
- James Donlon Boulevard & South Royal Links Circle · Routes 390 · 590 ft from the park
- James Donlon Boulevard & Contra Loma Boulevard · Routes 390 · 730 ft from the park
- James Donlon Boulevard & Community Park · Routes 390 · 760 ft from the park
Bus stops within about a quarter mile of Contra Loma Regional Park, mapped in OpenStreetMap. Check the transit agency for schedules.
Rules & reservations
Official park page- Dogs
The official park page does not state a dog rule. Check with East Bay Regional Park District before you go. Source
Gate hours change monthly, from 7 a.m.–5:30 p.m. in winter to 6 a.m.–8:30 p.m. in summer.
Map & directions
1200 Frederickson Lane, Antioch, CA 94509
Nearby parks
Straight-line distanceContinue exploring
Contra Costa County parksSources & verification
Last verified: Oct 15, 2026- California Protected Areas Database (CPAD) 2026aname, county, agency, access, acres
- East Bay Regional Park District park pageofficial_url, hours, address, description, fees, swimming
- OpenStreetMap facilities and trailsfacilities.boat-launch, facilities.picnic-area, facilities.restrooms, facilities.volleyball, trails
- U.S. Census Bureau place boundariescity
- Official park page (checked for dog and fee information)unstated.dogs
- OpenStreetMap: parking, restrooms, water, trailheads, trail lines, and bus stopsvisit
- Terrain Tiles elevation (USGS 3DEP), sampled every 20 m along OpenStreetMap trail linestrails.elevation
- Official park page (introduction excerpt)intro