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The NCC River House on the Ottawa River at golden hour, with the floating sauna moored alongside

Opens in October

Sauna and Cold Plunge on the Ottawa River

An outdoor cedar sauna moored beside the NCC River House, with a cold river plunge a few steps from the door. Open seven days a week from October.

Address

501 Promenade Sir-George-Étienne-Cartier

Hours

7 days a week · 7am to 10pm

Session

90 minutes

Cold plunge

The Ottawa River

Cedar benches inside the sauna, with the window looking out over the water

The River is the Plunge

Most cold plunges in Ottawa are a tub of chilled water. Ours is the Ottawa River. The plunge is an enclosed section alongside the sauna so you can get in comfortably, and there is open water access if you would rather go straight into the river.

The sauna itself is cedar-lined and wood-warm, built on floats and tied up beside the NCC River House off Promenade Sir-George-Étienne-Cartier. Forest on the far shore, docks out front, and the city close enough to get back to in ten minutes.

Saunoa Ottawa

The NCC River House and docks on the Ottawa River
The stove and stones inside the cedar sauna
Two guests laughing on the sauna bench
Two guests at the edge of the cold plunge
A guest looking out of the sauna window at the water
A guest resting on the bench with the water beyond

What to Expect

01Session Length
90 minutes, which is room for two or three full rounds without watching the clock.
02The Plunge
An enclosed river plunge, plus open water access to the Ottawa River itself.
03On Site
Changerooms, a lounge space between rounds, lockers, filtered water, and a composting toilet out front. Access to the NCC River House facilities.
04No Showers
There are no showers at the Ottawa location. Toronto has cold water showers.
05Sessions
Community sessions are open booking. Private sessions give you the whole sauna, for a date, a birthday or your crew.
06Getting Here
Look for the NCC River House and the docks off Promenade Sir-George-Étienne-Cartier. The sauna is tied up alongside.

New guests only

3 Sessions for $99

Use all three yourself, or bring a guest along. The easiest way to find out whether heat and cold are for you.

$135

You save $36

Get the Offer

What Guests Say

4.8 stars from 300+ guests on Google

From guests at our Toronto sauna. Ottawa opens in October, and reviews from the river will land here after the first sessions.

“Such a relaxing and fun experience with my girlfriends. The views were amazing, especially watching planes take off and land at Billy Bishop.”
Liz F. · Google
“The cold plunge was what really made the experience for me. I had such a good experience that I went a second time and brought some of my colleagues.”
Kyle F. · Google
“The most beautiful escape in Toronto. We all said this one was by far the best. Incredible view of the CN Tower and the stars.”
Mitch D. · Google

How to Find Us in Ottawa

We are moored on the Ottawa River beside the NCC River House, just off Promenade Sir-George-Étienne-Cartier. Look for the NCC River House and the docks, and the sauna is tied up alongside.

501 Promenade Sir-George-Étienne-Cartier

Ottawa, ON K1M 0S1

ottawa@saunoa.ca

7 days a week · 7am to 10pm

Ottawa Questions

All Questions →
What do I bring?

Two towels. One that your whole body rests on in the sauna, feet included, and one for after the plunge. A swimsuit. That is it. If you forget a towel you can buy one from us, and we have electrolytes and tea on site.

When should I get there?

At the time of your booking, or a few minutes before. If the door is locked, the team is cleaning the space for you. We let guests in at the time of their booking.

Where is the cold plunge?

Toronto: a cold plunge tub on the outdoor deck, a few steps from the sauna door.

Ottawa: an enclosed river plunge so you can get in comfortably, plus direct open water access to the Ottawa River.

Are there showers?

Toronto: cold water showers are available on site.

Ottawa: no showers at this location.

Community or private sessions?

Community sessions are open to the public and shared with other guests. A private session reserves the entire space for you, whether that is a date, a birthday or your team.

Is this a boat?

Not quite. It is a floating sauna, which is to say a structure built on floats. It does not go anywhere.

Plans changed, can I reschedule?

Cancel or reschedule at least 72 hours ahead for a credit or refund. Inside 72 hours the session is non-refundable, because the spot was held for you and nobody else could book it.

Follow Along

Sunsets, steam and the odd shot of someone regretting the plunge. Mostly the first two.

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  • The floating sauna seen from the dock on a still evening
  • Two guests laughing on the cedar bench inside the sauna
  • Sunset over the harbour from the sauna deck, boats moored alongside
  • A guest on the deck after the cold plunge
  • Low sun through the sauna window at the end of the day
  • Two guests sitting at the edge of the cold plunge
  • The CN Tower and the Toronto skyline seen from the water
  • A guest resting on the bench with the water beyond the window

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