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With over 300 known hot springs, California is home to the second largest concentration of thermal pools in the U.S. and only features fewer hot springs than its neighbor, Nevada. Still, with such an extensive list of hot springs, each offering its own unique experiences, visitors are sure to find a natural heated reserve perfect for them.

However, before beginning their journey into the remarkable healing properties of California hot springs, visitors should first understand the different varieties and regions of the state's thermal pools.

From tucked-away primitive pools to full-service luxurious thermal spas, this is everything you need to know about hot springs in California.

California Hot Springs Map

Types of Hot Springs in California

With over 300 unique hot springs, California's thermal baths offer experiences as varied and colorful as the state's picturesque landscapes. While there are many differences between each region's thermal destinations, all of California's hot springs can typically be classified as one of three varieties — a primitive pool, a community spring, or a hot spring resort.

Select a type below to learn more about the different soaking experiences.

Travertine Hot Spring
Primitive Hot Springs in California

Eastern California Hot Springs

Buckeye Hot Spring

Type: Primitive

Opening Hours: Open year-round

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Crab Cooker Hot Springs

Type: Primitive

Opening Hours: Open year-round

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Travertine Hot Springs

Type: Primitive

Opening Hours: Open year-round

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Rock Tub Hot Springs

Type: Primitive

Opening Hours: Open year-round

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Hilltop Hot Springs

Type: Primitive

Opening Hours: Open year-round

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Crowley Hot Spring

Type: Primitive

Opening Hours: Open year-round

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Shepherd Hot Springs

Type: Primitive

Opening Hours: Open year-round

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Saline Valley Hot Springs

Type: Primitive

Opening Hours: Open year-round

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Benton Hot Springs

Type: Community

Opening Hours: Year-round, check-in 3 PM

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Grover Hot Springs

Type: Community

Opening Hours: Thu–Mon, sessions vary

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Keough’s Hot Springs

Type: Community

Opening Hours: Tue–Sun; varies

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Mono Hot Springs

Type: Community

Opening Hours: May 15 – Nov 1

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Northern California Hot Springs

Wilbur Hot Springs

Type: Resort

Opening Hours: Day Use: 10 AM – 5 PM; overnight stays min. 2 nights

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Orr Hot Springs

Type: Resort

Opening Hours: Daily 12 PM – 9 PM (pool closed Tue)

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Sierra Hot Springs

Type: Resort

Opening Hours: Thu–Sun, 10:30 AM – 5:30 PM; evenings 4 PM – 11 PM

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Vichy Springs Resort

Type: Resort

Opening Hours: 9:00 AM – 5:00 PM

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Harbin Hot Springs

Type: Resort

Opening Hours: 24/7 year-round; reservation + membership required

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Indian Springs Calistoga

Type: Resort

Opening Hours: Year-round; spa guests with 50-min treatment can get pool pass

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Calistoga Spa Hot Springs

Type: Resort

Opening Hours: Open year-round; access for guests

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Hunt Hot Springs

Type: Primitive (Closed)

Opening Hours: Permanently closed to the public

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Central California Coast Hot Springs

Sycamore Springs

Type: Resort

Opening Hours: Daily: 8:00 AM – Last reservation at 10:45 PM

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River Oaks Hot Springs Spa

Type: Community

Opening Hours: Daily: 9:00 AM – 9:00 PM

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Avila Hot Springs

Type: Community

Opening Hours: Daily: 8:00 AM – 9:00 PM

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Mercey Hot Springs

Type: Resort

Opening Hours: Day-use: 12 PM – 5 PM

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Morton Warm Springs

Type: Community

Opening Hours: Seasonal (May–Sept); pool hours 10 AM – 5 PM

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Tassajara Hot Springs

Type: Community

Opening Hours: Guest season (summer); reservations required

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Sykes Hot Springs

Type: Community

Opening Hours: Year-round

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Franklin Hot Springs

Type: Primitive

Opening Hours: Daily: 7:30 AM – 9:00 PM

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Esalen Hot Springs

Type: Community

Opening Hours: Public night bathing 1–3 AM (currently closed until April 2025)

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Sespe Hot Springs

Type: Primitive

Opening Hours: Open year-round

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Gaviota Hot Springs

Type: Primitive

Opening Hours: Year-round, daylight hours only

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Central California Coast Hot Springs

Sycamore Springs

Type: Resort

Opening Hours: Daily: 8:00 AM – Last reservation at 10:45 PM

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River Oaks Hot Springs Spa

Type: Community

Opening Hours: Daily: 9:00 AM – 9:00 PM

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Avila Hot Springs

Type: Community

Opening Hours: Daily: 8:00 AM – 9:00 PM

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Mercey Hot Springs

Type: Resort

Opening Hours: Day-use: 12 PM – 5 PM

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Morton Warm Springs

Type: Community

Opening Hours: Seasonal (May–Sept); pool hours 10 AM – 5 PM

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Tassajara Hot Springs

Type: Community

Opening Hours: Guest season (summer); reservations required

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Sykes Hot Springs

Type: Community

Opening Hours: Year-round

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Franklin Hot Springs

Type: Primitive

Opening Hours: Daily: 7:30 AM – 9:00 PM

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Esalen Hot Springs

Type: Community

Opening Hours: Public night bathing 1–3 AM (currently closed until April 2025)

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Sespe Hot Springs

Type: Primitive

Opening Hours: Open year-round

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Gaviota Hot Springs

Type: Primitive

Opening Hours: Year-round, daylight hours only

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