Facility · California ·
Managed by the Bureau of Land Management
Yuma Field Office (Bureau of Land Management AZ) · Open Access
The Senator Wash South Shore recreational area is approximately 50 acres in size, flat, open with large gravel beaches providing access to the reservoir.
Two restrooms with flush toilets, outdoor showers and drinking water are available for use. Boat ramp available nearby. Small watercraft can be launched from shore.
There are opportunities for off-highway vehicle (OHV) riding, fishing, camping, watchable wildlife, watercraft recreation, swimming, hiking opportunities, solitude and sightseeing.
Use Interstate 8 to Yuma, Arizona. Take the 4th Avenue to Imperial County Road S24. Go north approximately 22 miles to Senator Wash Road. Turn left onto Senator Wash Road and follow it for approximately 3 miles to the South Mesa campground. Turn left then proceed approximately 200 yards and enter the access road on the right which leads to the reservoir.
32.90147, -114.49569 · 32°54'5.3"N 114°29'44.5"W
Typically 107°F in Jul, down to 67°F in Dec.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 69 | 73 | 80 | 86 | 94 | 103 | 107 | 106 | 102 | 90 | 77 | 67 |
| Low °F | 45 | 48 | 53 | 59 | 66 | 74 | 82 | 82 | 76 | 63 | 51 | 43 |
| Precip in | 0.5 | 0.5 | 0.4 | 0.1 | 0.0 | 0.0 | 0.2 | 0.4 | 0.4 | 0.2 | 0.3 | 0.5 |
1991–2020 averages from the nearest NOAA station, 7.4 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.
$10 day-use; $15 overnight; $75 annually
Stay limit: 14 days in a 28-day period
From Recreation.gov, which is not always current. The operator's own page is the authority on what you will be charged.
Recreation.gov last updated this record on 2026-02-25.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
Comments