Celebrate Summer Solstice with some social sauna bathing along the Petaluma River.

Sundrop Sauna will be popping up at Grand Central Petaluma’s riverfront patio with its mobile sauna, cold plunge, and lounge space. 45-min community pop-up sessions are available Friday through Sunday.

Grand Central Petaluma will also be launching its summer smoothie bar, so come on out and get a healthy fill of fresh-blended, cold drinks. Coffee, tea, and other treats will be available for purchase as always.

Each session is limited to 7 people and includes access to the sauna, cold rinse shower, ice bath, drinking water, and lounge area. Changing areas and restrooms are provided at the venue.

What to bring;

• Bathing suit

• Flip-flops/slides

• Towel

• Robe (optional)

Tickets: $35 per person