Country
United States
Reviews
No reviews yet
Family friendly
Yes
Season
April to October
About The Sequoians
The Sequoians is a membership-based nudist club on about 80 acres of oak, bay and madrone woodland at the top of Cull Canyon Road in Castro Valley, in the East Bay hills about half an hour from San Francisco. Founded in the mid-1940s, it calls itself the only clothes-free club in Northern California and is run by its members rather than as a commercial resort; a handful of members live on site. The grounds include a heated pool, a hot tub, a bocce court and open lawns, plus seven trails for nude hiking, and two regional parks border the property. Camping is for tents, trailers and RVs up to 35 feet, with water and electricity but no dump station. Nudity is the rule on the common grounds and in the pool and hot tub, and clothing is required when crossing public land. Photography is banned and there is no mobile signal. Visitors come on weekends from April to October; weekday and winter access is reserved for full members and AANR or INF card holders who book. Saturday-night potlucks and an annual open house with free entry for first-timers anchor the social calendar.
Legal context & local rules
Nudity is lawful on the club's private land in Alameda County; clothing is required when crossing public property, including on trails leading off the grounds.
Public nudity is largely prohibited in the US under indecent exposure laws which vary significantly by state. Vermont has no state-level law against public nudity, making it unique. Florida designates specific beaches as clothing-optional (Haulover Beach, Blind Creek State Park). Federal jurisprudence under the First Amendment has occasionally recognised nude expression in protests, though states regulate for public decency standards. Most states prohibit exposure of "sexual organs" in public under statutes similar to Florida Statute § 800.03.
What’s here
Getting there and visiting
Drive to 10200 Cull Canyon Road, Castro Valley, CA 94552, from I-580; there is no public transport and no phone signal on site. Weekend visits in season need no membership. In 2026 day fees were $30 per person for visitors, $25 for AANR or affiliated club members, and free for accompanied under-18s, paid on arrival. Only AANR, INF or other club members may camp overnight ($15 tent, $25 RV), checking in 10 am to 5 pm on weekends. Single men and women are allowed. Weekday and November-March visits require AANR/INF membership and a reservation. Call 510-582-0194.
What visitors say
Press pieces and first-person accounts describe a small, community-minded club that welcomes newcomers, with a strong potluck culture and a woodland setting that visitors like for its trails and pool. A past washout of the private access road after prolonged storms cut residents off for a time, so check road conditions after heavy rain.
Summarised in our own words from public reviews and guides listed under Sources.
Before you go
- 1 Check the current local rules and access conditions before travelling.
- 2 Bring a towel and sit on it when using shared seating.
- 3 Never take photographs of other people without clear consent.
- 4 Respect the venue’s clothing, privacy, and behaviour rules.
Location
⌖View this place on the map
37.7136, -122.0716
Frequently asked questions
Can I visit without being a member?
Yes, on weekends from April to October, paying a day fee on arrival ($30 per person in 2026).
Are single men welcome?
Yes. The club allows single men and women; couples are encouraged to come together.
Is nudity required?
Yes on the common grounds, in the pool and in the hot tub, except for health reasons.
Can I camp?
Overnight camping is for AANR, INF or other club members only, at $15 per tent or $25 per RV per night.
Is it open in winter?
From November to March only full members and AANR/INF members with a reservation can visit.
Sources
- The Sequoians - AANR Official
- The Sequoians
- The Sequoians - FAQs
- The Sequoians - Daily Rates & Fees
- Castro Valley clothing optional community isolated by massive landslide - CBS News
- A day at Sequoians (Substack)
Researched 25 October 2026 ; confirmed against an official source 25 October 2026.
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