Entry No. 23 — the San Francisco file — filed under: private hot tub
Watercourse Way
Instead of one communal pool, this bathhouse rents out individually themed private rooms — One Pine, Two Stones, Three Trillium, on up through Nine Bats — each with its own hot tub, cold plunge, and sauna or steam room, so total strangers never have to share water.
The story
Tucked away on Channing Avenue in downtown Palo Alto, Watercourse Way flips the traditional bathhouse model on its head. Instead of forcing you into a shared communal pool with half of Silicon Valley, the spa partitions its floor plan into entirely private, numbered sanctuary rooms—bearing names like One Pine, Two Stones, Three Trillium, on up to Nine Bats.
Inside your assigned room, total strangers never cross your path or share your water. You get your own dedicated hot tub, cold plunge, and private steam room or sauna, flanked by a quiet lounge bed for catching your breath between temperature shocks. It's an unexpectedly moody, meditative ritual hidden right inside a unassuming Palo Alto block.
What it's like
Booking requires picking up the phone and calling the front desk directly, so don't look for an online checkout button. Once you arrive at 165 Channing, you're escorted down quiet hallways directly into your private room. For the next hour, the hot tub, cold plunge, and steam are entirely yours—you cycle through the temperature extremes on your own schedule without waiting for anyone to move their towel.
The move: Reserve one of the higher-numbered themed rooms for two, cycle between the private hot tub, cold plunge, and steam room on your own schedule, then linger on the lounge bed before your hour's up.
- 📍 Palo Alto
- 💸 $$
- ⚡ Low-key
- 🌗 Indoor or outdoor
Where: 165 Channing Avenue, Palo Alto, CA 94301
Hours: Added 2026-07-20 — confirm current hours before you go.
⚠ Seasonal or scheduled — always check before you go.
Pair it with
- Rosicrucian Egyptian Museum — Pair a quiet private soak with a walk through replicated tomb chambers and ancient Egyptian antiquities down in San Jose.
- Enriquita Mine — Follow up a dusty dirt-trail hike through historic mercury mining grounds in Los Gatos with a private tub session.
- Archimedes Banya — Contrast Watercourse Way's secluded private room setup with the rowdy, communal, eucalyptus-swatting ritual at SF's waterfront Russian bathhouse.
Good to know
How do I book a private hot tub room?
Private tub rooms must be reserved over the phone by calling Watercourse Way at (650) 462-2000.
What features are inside each room?
Each room is individually themed and equipped with its own private hot tub, alongside a cold plunge, steam room or sauna, and lounge furniture.
Will I have to share a tub or bath space with strangers?
No. The rooms are completely self-contained and private for you and whoever you book with.
Plan a visit & invite your people →
Further reading: Official site · spafinder.com
last checked: 2026-07-20