Ottawa County Parks & Recreation

Idema Explorers Trail

Grand Haven, MI

Connor Bayou Trailhead
12945 North Cedar Dr.
Grand Haven, MI 49417

M-231 Trailhead
12250 North Cedar Dr.
Grand Haven, MI 49417

Riverside Park Trailhead
10317 North Cedar Dr.
Grand Haven, MI 49417

Jenison, MI

Bend Area Access Site
8914 12th Ave
Jenison, MI 49428

Grand Ravines Trailhead
South - 3991 Fillmore Street
North - 9920 42nd Ave
Jenison, MI 49428

Grand River Park
9473 28th Ave
Jenison, MI 49428

Jenison Mill Trailhead
7746 Cottonwood Dr
Jenison, MI 49428

Amenities & Activities

Please Note: Motorized vehicles of any kind are not allowed.


These maps show the future 30-mile Idema Explorers Trail from Grand Haven to Grand Rapids.

These maps show scheduled construction on segments of the Idema Explorers Trail.

This trail is expected to be complete in 2022. Learn more about fundraising for the Grand River Greenway and Idema Explorers Trail.

Park Hours

The Idema Explorers Trail is open year-round. Please note plowing of trailheads varies by location. Call the Ottawa County Parks office for more details: (616) 738-4810.


There are no fees to use the Idema Explorers Trail.

Dog Policy

  • Dogs are required to be leashed (10’ max) and under control at all times.
  • Dogs are not permitted off-trail.
  • Owners must clean up after their pet and dispose of waste in a trash receptacle.
  • Leader dogs for persons with disabilities are permitted in all areas at any time.
  • Recognizing that most dogs enjoy running and playing freely, many Ottawa County Open Space Lands allow dogs year-round off leash.

Additional Park Rules