Part of RV Camping With Hookups, our guide to RV camping with hookups in San Diego County.
Potrero County Park has 37 campsites, and its RV sites “have electrical hook-ups and water”. The county fee table lists Potrero at $39 per night for partial hookup; the County Parks fee page marks these as effective Jan. 2, 2026 (read 2026-10-23). Camping is open 24 hours a day.Checked October 23, 2026.
What You Get
The park offers “two wilderness cabins, RV, tent, and group camping with 37 campsites”. It is a quiet valley park of oaks east of San Diego.
Booking And Permits
Book through the County Parks reservation system, online 24 hours a day, or by phone at (858) 565-3600 or (877) 565-3600, Monday to Friday, 8 a.m. to 5 p.m. The county page says online booking is allowed “up to 24 hours before the first day of your stay” and same-day stays are by phone. A reservation fee of $8 per site and $6 per extra vehicle per night appear on the fee table. The advance booking window is not stated on the pages we read.
What We Could Not Verify
- Read by hand 2026-10-23: the County Parks fee page (headed “January 2026 Fees”) says fees are effective Jan. 2, 2026, and lists full hookup at $42, partial at $39, non-hookup at $36 and tent at $33 per night, plus an $8 reservation fee. Fees can change; County Parks can confirm.
- Amps and RV length limit are not confirmed.
- Amps, RV length limit and the advance booking window are not stated on the county page we read. Not confirmed; the park office can confirm.
- The map point is not shown because no coordinates were confirmed.
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FAQ
Do the RV sites have power and water?
Yes. The county page says RV sites have electrical hook-ups and water.
Sources
Checked October 23, 2026 by It’s San Diego. Cite this page: It’s San Diego (itssandiego.com), checked October 23, 2026. Free to quote with a link to this page; tables are licensed CC BY 4.0.