Mackinac Island: M-185 car-free perimeter loop
Michigan · Park loop
From the signed mile-zero area, follow M-185 around the island and back to the same point. Stay on the perimeter road rather than climbing interior trails or Arch Rock stairs. Walk through congested downtown areas.
Plan your ride
- Location
- Mackinac Island · Michigan
- Ride length
- About 8.2 miles
- Ride format
- Loop
- Surface
- Paved car-free perimeter road
- Road crossings
- From the signed mile-zero area, follow M-185 around the island and back to the same point. Stay on the perimeter road rather than climbing interior trails or Arch Rock stairs. Walk through congested downtown areas.
- Elevation
- Fairly level shoreline route with a few hills; exposed wind and distance add effort.
- Starting location
- M-185 mile marker 0 at Marquette Park / State Park Visitor Center, Mackinac Island, MI
Published selected route/loop distance; return journeys doubled where stated. Entrance walks are additional and unmeasured.
Marquette Park facility reference; approximate planning point, not a surveyed entrance or parking stall.
Mackinac Island: M-185 car-free perimeter loop — detailed guide
Source review: 2026-10-21. A dated source review does not guarantee current-day conditions.
From the signed mile-zero area, follow M-185 around the island and back to the same point. Stay on the perimeter road rather than climbing interior trails or Arch Rock stairs. Walk through congested downtown areas.
Start and parking approach
Start: M-185 mile marker 0 at Marquette Park / State Park Visitor Center, Mackinac Island, MI
Arrange lawful off-site public parking or arrive by transit/ferry as appropriate, then walk your bicycle to the named access. No dedicated free trailhead lot or unrestricted private-business parking is promised.
Distance and route
Selected ride: About 8.2 miles. Format: Loop.
Published selected route/loop distance; return journeys doubled where stated. Entrance walks are additional and unmeasured.
From the signed mile-zero area, follow M-185 around the island and back to the same point. Stay on the perimeter road rather than climbing interior trails or Arch Rock stairs. Walk through congested downtown areas.
Surface and effort
Surface: Paved car-free perimeter road. Fairly level shoreline route with a few hills; exposed wind and distance add effort. No surveyed maximum slope or accessibility certification is supplied.
Crossings and shared use
Yield to pedestrians, use the signed bicycle/shared-use route, slow at crossings and blind bends, and walk uncomfortable ramps. Authorized maintenance or emergency vehicles may appear. The written route defines the separated portion; nearby roads and unmarked walking or technical trails are excluded. Check current device rules before bringing an e-bike.
Hours, costs and access
Choose daylight and follow current posted park, trail and parking hours. Seasonal facilities and temporary closures can differ. Ferry travel, mainland parking, bicycle transport and rentals are separate costs; check current providers.
Reviewed October 21, 2026. Horses, pedestrians and emergency vehicles share the route. Ferry tickets, mainland parking and bicycle transport/rentals are separate costs. This guide is for ordinary pedal bicycles; check special device restrictions before bringing an e-bike. This is source-based planning, not a field inspection or a guarantee of present-day conditions. Stop at closures; do not improvise a traffic-road bypass.
Map location
The marker is a labeled planning reference, not a surveyed parking space, bicycle entrance or navigable route line. Use the written start and current on-site signs for the final approach.