Sauna City Guide

PORTAL Thermaculture Denver

Denver

Traditional saunaContrast therapyCold plunge

A contrast-therapy club in LoHi with two saunas and three individual cold plunge tubs, part of a small chain that also runs clubs in Boulder, Minneapolis and Bozeman.

More about PORTAL Thermaculture Denver

PORTAL is built around the hot and cold cycle: roughly 15 minutes in one of the two saunas, about three minutes in your own cold plunge tub, repeated three times. Sessions are booked online in advance.

Wear a swimsuit or clothes that can get wet; PORTAL sells garments if you forget. Towels are rented or added to your booking, and guests must be over 18.

At a glance

PORTAL Thermaculture Denver has a Finnish sauna, plus a cold plunge tub, a cold plunge tub and a cold plunge tub. Open seven days a week, with hours that vary by day. Swimsuit required, 18+ only and booking required.

Sauna
Finnish
Cold plunge
Yes

Sauna

  • Finnish (dry)Temp not listed

Cold plunge

  • Cold plunge tubTemp not listed
  • Cold plunge tubTemp not listed
  • Cold plunge tubTemp not listed

Before you go

Swimsuit
Required
Booking
Required
Minimum age
18+
Towels
Bring or rent

Opening hours

Mon7 am–10 pm
Tue2 pm–10 pm
Wed–Fri7 am–10 pm
Sat, Sun8 am–10 pm

Hours from the official website, checked October 2026. Holiday hours can differ.

Getting there

2949 Federal Blvd, Denver, CO, 80211

Frequently asked questions

What are the opening hours at PORTAL Thermaculture Denver?

PORTAL Thermaculture Denver is open Monday 7 am to 10 pm; Tuesday 2 pm to 10 pm; Wednesday to Friday 7 am to 10 pm; Saturday and Sunday 8 am to 10 pm. Holiday hours can differ, so check the official website before you go.

What kind of sauna does PORTAL Thermaculture Denver have?

PORTAL Thermaculture Denver has a finnish (dry).

Does PORTAL Thermaculture Denver have a cold plunge?

Yes. PORTAL Thermaculture Denver has a cold plunge tub, a cold plunge tub and a cold plunge tub.

Do you need a swimsuit at PORTAL Thermaculture Denver?

Yes, swimsuits are required at PORTAL Thermaculture Denver.

Do you need to book PORTAL Thermaculture Denver in advance?

Yes, PORTAL Thermaculture Denver requires a booking.

Nearby

Sources

We last confirmed PORTAL Thermaculture Denver is open in October 2026. Spotted something out of date?