3 springs within 40 miles
Hot springs near Julian
3 hot springs are within 40 miles of Julian: the closest is Agua Caliente County Park (under 1 mi), the hottest is Jacumba Hot Springs (up to 103°F), and the lowest listed adult price is Agua Caliente County Park ($7). Distances are straight-line; driving distances in the mountains can be much longer.

Agua Caliente County Park
A San Diego County camping park surrounded by Anza-Borrego Desert State Park, with three geothermally heated mineral pools: an indoor pool with age limits, an outdoor pool and a children's pool. The park is open from Labor Day weekend to Memorial Day and offers hookup sites, tent sites and seven cabins. Non-campers can use the pools for a small per-person fee.

Jacumba Hot Springs
A hotel in the high desert town of Jacumba Hot Springs, about an hour east of San Diego, whose mineral spring water flows into its pools with no chemical treatment. Day passes cover the large outdoor Ritual Pool (96-101°F), with a limited-pass Solstice Pool and an indoor Echo Room (99-103°F) for hotel guests. Pool access is for ages 21 and over.

Warner Springs Ranch Resort
A historic ranch resort in the Warner Valley of north San Diego County built around the Warner Hot Springs. The resort's own site lists the hot mineral pools, casitas, spa, dining and golf as closed for remodeling, with only the gas mart open. No reopening date has been published.