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The Millcroft Inn & Spa

4.2(2,116)
Hotel

About

Millcroft Inn & Spa combines historic charm and modern comfort in a converted 1881 stone mill set on 100 acres of protected woodlands near Toronto. The country-style rooms offer peaceful views, while the full-service spa features outdoor hot spring pools, a polar plunge pool, and hydrotherapy treatments to refresh your team.

The property’s Headwaters Restaurant serves locally inspired cuisine in a warm, inviting setting, ideal for business dinners or casual client meetings. With easy access to nearby highways and Pearson Airport, Millcroft provides a serene retreat with turnkey hospitality for small corporate events and overnight room blocks.

Best for

  • Executive retreats with spa relaxation
  • Corporate dining in a heritage setting
  • Multi-day team stays near Toronto

Request a Package

Tell the venue what you're planning and they'll respond with a custom proposal within 1–2 business days.

Group Meeting

Custom request

Professional meeting space for your team — whether it's a meeting, training, workshop, or multi-day offsite. Half-day, full-day, or multi-day — with the option to request AV, catering, and your preferred room layout.

What's typically included

  • Meeting room & layout
  • Food & beverage
  • AV & technology

Room Block

Custom request

Reserve a block of rooms for your group — ideal for multi-day conferences, offsites, or any event where attendees are traveling from out of town.

What's typically included

  • Reserved guest rooms for your group
  • Flexible check-in & check-out dates
  • Negotiated group rates

Meeting + Room Block

Custom request

Bundle your meeting space and guest rooms in one request — perfect for multi-day offsites and conferences where the team meets by day and stays overnight.

What's typically included

  • Meeting room & layout
  • Food & beverage
  • AV & technology
  • Reserved guest rooms for your group

Venue Details

Standout features

Heritage stone mill built in 1881
Historic Architecture
Heritage stone mill built in 1881
The inn is centered around a converted 19th-century stone mill originally constructed as the Alton Knitting Mill. This heritage building anchors the property’s distinctive country charm and history.
Year-round outdoor hot spring pools with polar plunge
Outdoor Amenities
Year-round outdoor hot spring pools with polar plunge
Two outdoor hot spring pools maintained at 104°F are open daily year-round, complemented by a cold-water polar plunge pool for contrast hydrotherapy, offering a unique wellness experience on-site.
9,000-square-foot full-service spa with hydrotherapy
Spa Facilities
9,000-square-foot full-service spa with hydrotherapy
The spa features 17 treatment rooms, four hydrotherapy rooms, an indoor pool, sauna, steam room, fitness studio, and a licensed café, providing comprehensive wellness services designed for relaxation and rejuvenation.

At a glance

Rated 4.2 on Google · 2,116 reviews