North America
Mount St Louis Moonstone Resort Guide
Projected to open December 4, 2026
Best months to book: February, January, December · last season + 30-yr record
Scroll for happiness
Projected to open Dec 4
Weather data is still collected for informational purposes.
Last Snowfall
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Resort Guide
Mount St Louis Moonstone is a ski resort located in Ontario, Canada, offering 36 slopes and trails across two mountains with a focus on family-friendly skiing and snowboarding. The resort features modern snowmaking, three terrain parks, and a variety of lifts including high-speed six-packs, catering to all ability levels. Its convenient location near Toronto and emphasis on accessible, consistent conditions make it a popular choice for day trips and group outings. Key amenities include equipment rentals, ski and snowboard lessons, and multiple dining options.
Gallery
Click to expand • 7 total photos
Terrain & lifts
Resort-reported stats for Mount St Louis Moonstone
Lifts
11
Skiable area
170 ac
Longest run
2 km / 1.2 mi
Lift fleet
- High-speed 61
- High-speed quad5
- Quad chair2
- Surface lift3
Snowmaking covers about 100% of terrain.
Resort Info
Season dates
Future dates are operator estimates and may change.
Top Après Ski
Check local recommendations for the best après ski spots in Mount St Louis Moonstone.
Season vs Historic
Updated Sat, Oct 31, 01:01 AM UTC
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Season Total
This Season to Date
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vs 5-Year Avg
Off-season · 1cm full-season avg
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vs 30-Year Avg
Off-season · 1cm full-season avg
1cm
5-Yr Avg by Now
The last completed season totaled ~1.2 cm. That's 20% above the 5-year average (1 cm). Versus the 30-year baseline: 20% above the 30-year average (1 cm).
Mount St Louis Moonstone Season Snowfall
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Mount St Louis Moonstone Snow History
Average annual snowfall is 154cm with an average of 44 snowfall days per season. The recent decade runs 16% above this average (178cm over the last ten tracked seasons). The table below shows monthly averages across 30 seasons of archive data (modeled snowpack at mid-elevation).
| Month | Avg Snowfall | Snowfall Days | Avg Base Depth | Max Base Depth | Biggest Snowfall |
|---|---|---|---|---|---|
| November | 17cm | 5 days | 2cm | 9cm | 6cm |
| December | 38cm | 11 days | 13cm | 25cm | 8cm |
| January | 37cm | 11 days | 24cm | 36cm | 7cm |
| February | 29cm | 8 days | 33cm | 43cm | 8cm |
| March | 20cm | 6 days | 22cm | 39cm | 6cm |
| April | 11cm | 3 days | 3cm | 15cm | 5cm |
| May | 0cm | 0 days | 0cm | 1cm | 0cm |
Source: SnowSure archive · Open-Meteo ERA5 reanalysis at mid-elevation. Depth is modeled, not resort-reported.
SnowSure Score by Month
Season 2025-26
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No full season on record
29 days scored, from 22 Feb
53
Best Day
22 Feb
1
Excellent+ Days
Scored 50 or above
1
Powder Days
6cm+ fresh snow
Highest-scoring days
February 2026
- 5322 Feb3cm
- 4423 Feb2cm
- 4125 Feb4cm
March 2026
- 3617 Mar3cm
- 3418 Mar2cm
- 3220 Mar
February scored highest for Mount St Louis Moonstone in 2025-26. Based on 29 days the resort was verified open. One season of scores describes what happened, not what to expect.
Season at a Glance
Next season(2026-27)
Opens Dec 4, 2026
Through Mar 22, 2027
Multi-season averages will appear once SnowSure has tracked more than one full season.
Best Months to Visit
February
Peak Season
January
Peak Season
March
Good
December
Good
Note: Based on typical ski season patterns for this region.
Frequently asked questions about Mount St Louis Moonstone
- Where is Mount St Louis Moonstone?
- Mount St Louis Moonstone is a ski resort in Canada.
- How high is Mount St Louis Moonstone?
- Mount St Louis Moonstone runs from a base elevation of 229 m (751 ft) to a summit of 382 m (1,253 ft), giving a vertical drop of 153 m (502 ft).
- How big is Mount St Louis Moonstone?
- Mount St Louis Moonstone has 170 acres (69 hectares) of skiable terrain, 36 marked runs and 11 lifts.
- When is ski season at Mount St Louis Moonstone?
- Mount St Louis Moonstone typically operates from December to March. Exact opening and closing dates shift each year with snowfall — check the resort's current season dates before booking.
- How much snow does Mount St Louis Moonstone get in a typical season?
- Mount St Louis Moonstone averages 120 inches / 305 cm of snowfall in a typical season. Any individual season can run well above or below that.
