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Outdoor Hot Spring Pools

Restore Body & Mind

Indulge in the soothing ritual of hydrotherapy. 

Our outdoor hot spring pools and polar plunge pool offer more than a moment of relaxation: they invite you into the time-honoured practice of contrast hydrotherapy. Alternating between hot and cold water supports circulation, eases muscle tension and promotes a sense of renewal. At Millcroft Inn & Spa in Caledon, Ontario, guests can experience increased energy, improved circulation, relief in muscles and joints and a deeper state of relaxation, all within a serene natural setting. 

Soak in Restorative Warmth

A defining feature of the Millcroft experience, our outdoor hot spring pools invite deep relaxation in a serene natural setting. Two pools are maintained at approximately 104°F (40°C), allowing guests to fully unwind while surrounded by the tranquil landscape of our grounds. The soothing warmth of the water helps ease muscle tension, calm the mind, and encourage a slower, more restorative pace.

Awaken the Sense with a Cold Plunge

For a more invigorating contrast, our polar plunge pool is kept at approximately 45°F (7°C). This refreshing immersion helps stimulate circulation, boost energy and awaken the senses—offering a revitalizing complement to the warmth of the hot springs.

Hot Spring Pool Availability

Our outdoor hot spring pools are available daily from 8:00 a.m. to 9:00 p.m., and as part of our commitment to providing a comprehensive wellness experience, access to these pools is complimentary with your overnight stay or any spa treatment(s).

To inquire about our hot spring pool availability, please call the spa.

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Spa Reservations:

Daily: 9:00 a.m. – 5:30 p.m.


Spa Facilities/Pools:

Daily: 8:00 a.m. – 9:00 p.m.


Spa Treatments:

Daily: 9:00 a.m. – 6:00 p.m


Spa Café:

For Food, Daily: 12:00 p.m. – 4:00 p.m.

For Drinks, Friday & Saturday: 4:00 p.m. – 7:00 p.m.

Please confirm you are a person.

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