The Medeiros campground has primitive campsites on the southern part of the O’Neill Forebay. Some fire rings, shade shelters and tables are available - but not one for each campsite. This campground works on a first come, first serve basis and is indeed primitive with no showers or flushable bathrooms (though chemical toilets are here). Great for folks who want the full-on, camp-like-you-mean-it experience!
Campsite area
Tent sites
0 sites
Up to guests per site
Up to 6 vehicles
No wheelchair access
Campfires allowed
Toilet available
Pets allowed
Potable water available
Picnic table available
No showers


Offered near the campground.


San Luis Reservoir is a great spot for those bikers seeking endurance rides. Here you can bike on the California Aqueduct roa...Read more


Boaters of all kinds, shapes and sizes frequent the waters of San Luis Reservoir. At the O’ Neill forebay (where it is slightl...Read more


There are a few different areas in the park where anglers can come to cast their reels. There is the San Luis Reservoir/O’ Neil...Read more


Hiking is a great option at San Luis Reservoir. Here, there are a variety of different levels of trail difficulty, so if you l...Read more

Horseback riding

San Luis Reservoir has areas of the park specifically designated for horseback riding and camping. If you don’t have your own h...Read more


With Reservoir in the name, one can only hope there is room at the park for a little kayaking! Indeed, at San Luis Reservoir vi...Read more

Wind sports

If you’re going for that windblown look, San Luis Reservoir is definitely the place to achieve it. Seriously though, this pl...Read more


In the heat of summertime, swimming at San Luis Reservoir is more of an answer than it is a question. The west shore of O’ Ne...Read more

Wildlife watching

The grasslands surrounding the reservoir make way for a unique array of wildlife. Wildlife watchers should be on alert for sig...Read more

Whitewater paddling


Natural features you'll find at Medeiros Campground.

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4 Reviews

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Hipcamper Giulia
Giulia L.
didn't provide a recommendation.
April 9th, 2016

Today is major muddy and magnificent. Just us and the birds... And some.... Who feel the need to speed past on the muddy road... But they move on. Not really into camping those folks and maybe my van is scaring them :). It is awesome and I got a disabled discount. I think I'll stay awhile.

Hipcamper Efrain Q.
recommends this listing.
October 27th, 2018
Hipcamper . ..
recommends this listing.
January 14th, 2020
Hipcamper Ella S.
recommends this listing.
June 29th, 2018
San Luis Reservoir State Recreation Area
United States
Phone Number
(209) 826-1197
View on Google Maps
Official Website
View Website
37.068° N, 121.041° W