When do the leaves change in Ontario — Algonquin & Muskoka?

Algonquin Park's maple-covered ridges are Canada's classic fall postcard, with Muskoka's lake country close behind for canoe-side color.

Agawa Canyon Tour Train in Ontario, Algonquin & Muskoka
📍 Agawa Canyon Tour Train, Ontario — Algonquin & Muskoka· Photo: WabbitWanderer from London / Wikimedia Commons, CC BY-SA 2.0
2026 Forecast245 weather anchors

Peak: September 21–October 1

Color builds from September 10 · mostly bare by October 15

Color starts: September 10Peak: September 26Bare: October 15AugustDecember

Ontario — Algonquin & Muskoka is sampled at 245 weather points, with no published peak dates to correct it against yet. Ontario — Algonquin & Muskoka is running 11 days earlier than its own average this year. Peak dates spread about 10 days inside Ontario — Algonquin & Muskoka, so the high ground turns well before the valleys. How the forecast works

Known for

  • Algonquin Provincial Park
  • Muskoka lake country
  • Niagara Escarpment

Things to do in fall in Ontario — Algonquin & Muskoka

14 iconic stops, including scenic drives, farms, haunts, and the views locals plan their October around.

Peak October 3 2026 forecast

The Highway 60 corridor cuts 56 km through Algonquin's maple and birch highlands, Ontario's benchmark foliage drive.

Color nearby peaks October 7 2026 forecast

Algoma Central's day-long rail trip runs roughly 114 miles north from Sault Ste.

Peak October 6 2026 forecast

A 100-step steel tower above the village of Dorset gives the classic Muskoka fall panorama: hundreds of lakes and hardwood ridges…

Niagara-on-the-Lake

Historic town

Color nearby peaks October 20 2026 forecast

Ontario's best-preserved 19th-century town sits where the Niagara River meets Lake Ontario, ringed by escarpment vineyards that turn gold…

Peak October 17 2026 forecast

Georgian Bay's turquoise water meets orange hardwood ridges near Tobermory, at the peninsula's tip.

Sep 19 – Oct 31 Color nearby peaks October 12 2026 forecast

Caledon's harvest festival runs daily from September 19 to October 31, 2026, packing more than 40 attractions into one admission: an…

Screemers

Haunted attraction

Oct 9 – Oct 31 Color nearby peaks October 13 2026 forecast

Toronto's original Halloween event, now in its 30th year and third season at Assembly Park in Vaughan.

Sep 12 – Oct 31 Color nearby peaks October 13 2026 forecast

A fall-fun farm in Bright, between Kitchener and Woodstock, with more than 20 attractions built around its corn maze and pick-your-own…

Guides

Understand the season in Ontario — Algonquin & Muskoka

Short explainers on why and when the color arrives here.

Frequently asked

When do leaves peak in Ontario — Algonquin & Muskoka in 2026?
Peak color is predicted for September 21–October 1 (best estimate September 26). Color starts around September 10 and trees are mostly bare by October 15.
How reliable is the Ontario — Algonquin & Muskoka forecast?
The forecast blends recent-year weather normals with photoperiod and elevation; it tightens as the season approaches. Against published peak dates the model lands within a few days for most regions, but it can be a week or more out. Mountains and coastlines are the hardest. Higher elevations turn roughly one day earlier per 300 m.
When is Ontario — Algonquin & Muskoka's autumn season?
Ontario — Algonquin & Muskoka is in the northern hemisphere, so its color season is autumn (September to November). The turn takes roughly 35 days end to end, centered on September 26, and the last 10 of those are thinning canopy rather than color.
What are the best things to do in fall in Ontario — Algonquin & Muskoka?
The iconic stops: Algonquin Provincial Park, Highway 60, Agawa Canyon Tour Train, Dorset Scenic Lookout Tower, Niagara-on-the-Lake, Bruce Peninsula National Park, Downey's Farm Pumpkinfest. Every one is mapped on this page with its peak-color timing.

Nearby & similar

Season by season

2025 (observed)

Peak September 5–September 26

August 29 → October 4

How the 2025 season went →

2026 (forecast)

Peak September 21–October 1

September 10 → October 15