📷 Mount St Louis Moonstone
North America
Mount St Louis Moonstone
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 — closed March 22
Weather data is still collected for informational purposes.
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Mount St Louis Moonstone is projected to open December 4, 2026. Here is when it is usually best to book.
Best months to book
- #1February29cm avg · last season 37
- #2January37cm avg
- #3December38cm avg
Best weeks to book
- #1 22 Feb – 28 Feb · last season 37
- #2 15 Mar – 21 Mar · last season 29
- #3 8 Mar – 14 Mar · last season 23.3
Ranked on 25% last season's SnowSure score (2025-26) · 75% 30-year snowfall and base-depth record. The live score returns when the lifts turn.
Current Conditions
Reported Tue, Oct 13, 12:02 AM UTC
Terrain Open
Projected to open Dec 4
Projected to open December 4, 2026
36 runs · 11 lifts — live counts and the SnowSure™ Score return when the lifts turn.
- Lifts– / 11
- Runs– / 36
Days 8–14 and every model are in SnowSure Pro.
Unlock with ProHistorical data from Open-Meteo archive • Forecast: SnowSure™ multi-model blend
Maps
All maps for Mount St Louis Moonstone →
Webcams & Proof of Powder
All webcams & Proof of Powder →
About Mount St Louis Moonstone
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.
Read the full resort guide →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.
- How will El Niño affect Mount St Louis Moonstone in winter 2026-27?
- El Niño Signal Rank: #315 of 488 SnowSure resorts · Tier D · strong-event signal -7% vs its own 30-yr average. In the three strongest El Niño winters on record ('97-98, '15-16, '23-24), Mount St Louis Moonstone averaged -7% versus its own 30-year snowfall baseline. Historically this is a timing play rather than a reason to stay home: aim for late winter (February–March) in winter 2026-27. Analog winters: '97-98 -3%, '15-16 -6%, '23-24 -13%. A pattern, not a promise.
