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- [  Sign In ](#user_login_modal)Add Listing[Cold Plunge Studios &amp; Spas](https://coldplunging.com/listing-category/cold-plunge-studios-spas/)# PORTAL° Thermaculture Boulder - Colorado[4949 Broadway, Boulder, Colorado 80304, United States](https://www.google.com/maps/search/?api=1&query=40.064859,-105.28351)Added on April 13, 2026PORTAL° Thermaculture Boulder is a social wellness studio in Boulder offering electric and wood-fired saunas plus a large communal cold plunge pool for authentic contrast therapy year-round in a welcoming social wellness setting. Water Temperature: ~40°F. Seasonality: Year-round. Group-Friendly: Yes. Typical Group Size: 10-20. Contrast Therapy Available: Yes. Price Range: $35+. Location Type: Studio / Spa. Located at 4949 Broadway #113, Boulder, CO 80304. The studio provides a community-focused recovery experience where guests cycle between saunas and the refreshing cold plunge to boost circulation, reduce inflammation, and build resilience. Bring swimwear (towels provided).**Contact &amp; Booking** Phone: (303) 594-0085 Website: <https://www.portalthermaculture.com/boulder>![PORTAL° Thermaculture Boulder - Colorado](https://coldplunging.com/wp-content/uploads/2026/04/indoor-woman-1-1-800x537.jpg)Water Temp: 40Location Type: Studio / SpaPrice Range: $35+Contrast Therapy? YesGroup Size? 6-12Group Friendly: YesSeasonality / Best Time: Year-round[  Write a Review](#user_login_modal) [Report Listing](#user_login_modal)[ ![Cold Plunging](https://coldplunging.com/wp-content/uploads/2026/04/BC-Cold-Plunge-e1777587959589-400x400.jpg) ](https://coldplunging.com/vendor/cold-plunging-admin/)#### [Cold Plunging](https://coldplunging.com/vendor/cold-plunging-admin/)Member since April 9, 2026### Sign InUsername or EmailPassword[](# "Show")Sign InDon't have an account yet? [Register](#user_register_modal)[Forgot password?](#user_password_request_modal)### RegisterEmailPassword[](# "Show")RegisterAlready have an account? [Sign In](#user_login_modal)### Reset PasswordPlease enter your username or email address, you will receive a link to create a new password via email.Username or EmailSend Email
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