Drives Ontario Muskoka, Algonquin and Northern Ontario
Highway 637: Killarney
Highway 637 · Highway 69 → Killarney
The drive
Highway 637 is the only road to Killarney. It runs 42 miles west from Highway 69 at Rock Bay to the village on Georgian Bay, through Canadian Shield forest, lakes and wetlands. Wikipedia says it opened on July 20, 1962; before that, Killarney was reached mainly by water, air or winter road.
Near the end the road runs beside Killarney Provincial Park and its white quartzite La Cloche ridges. The road ends at Killarney.
Along the way
- Highway 69
- Killarney
Good to know
- It's a dead end: you return by the same road.
- Traffic is light, with about 500 vehicles a day in a 2010 survey.
- Using Killarney Provincial Park needs a day-use permit.
Open all year, weather permitting. Roads close for snow, fire, storms and repairs: before you set off, check Ontario Parks: Killarney.
Questions about this drive
How long is Highway 637 to Killarney?
It's 42.2 miles and takes about an hour from Highway 69.
Is Highway 637 the only road to Killarney?
Yes. Highway 637 is the only road into the village.
Do you need a permit for Killarney Provincial Park?
Yes, to use the park. Check Ontario Parks for current day-use rules.
What you get in the app
Free on iPhone and Android. CarPlay and Android Auto come with Apex.
More drives near here
Distance, time, elevation, curves and intensity are from Carve's route. Checked 2026-10-28.