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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

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Hike

Thunder Cove Grand Island

0.2 mi connector · 37 ft gain · 645 ft high point · Easy

This is a connector trail.

MI · U.S. Forest Service

Elevation Map Camp near here More hikes

Elevation

37 ft of gain and 26 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

0.3 mi from the trailhead
Grand Island Cabins
Campground · MI
1.9 mi from the trailhead

More hikes nearby

Ranked the same way, within twenty-five miles.

10 mi from you
Autrain Songbird Interp
- Ends at Au Train Lake
- Inside Hiawatha National Forest
- Camp under a mile away
2.1 mi loop · 98 ft gain · Easy
Hiawatha National Forest · Camp under a mile away
23 mi from you

Elevation along the trail from the start. Source: USGS 3DEP.

Map

The route at the trailhead. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Download the trail and feature data.

At a glance

Length: 0.2 mi
Shape: Connector
Gain: 37 ft
Descent: 26 ft
High point: 645 ft
Low point: 609 ft
Difficulty: EasyFrom 0.2 mi and 37 ft of climbing
Managed by: U.S. Forest Service
State: MI
Trailhead: 46.4913° N · 86.6838° W

Get directions Open the map

Little Duck Campsite on Grand Island

Campground · MI

3.3 mi from the trailhead

Grand Island National Recreation Area

Campground · MI

Pine Marten Run

Passes Verdant Lake
Inside Hiawatha National Forest
Camp 1 mi away

13.0 mi out & back · 499 ft gain · Moderate

Hiawatha National Forest · Camp 1 mi away

Bil - Twilight

Ends at Twilight Lake
Inside Big Island Lake Wilderness
Camp 3 mi away

0.4 mi out & back · Easy

Big Island Lake Wilderness · Camp 3 mi away

Oakwood Equestrian South Loop

Ends at Hovey Lake
Inside Hiawatha National Forest
Camp under a mile away

7.4 mi loop · 134 ft gain · Easy

Hiawatha National Forest · Camp under a mile away

Bil - Twilight-Byers Portage

Ends at Byers Lake
Inside Big Island Lake Wilderness
Camp 3 mi away

0.3 mi out & back · 17 ft gain · Easy

Big Island Lake Wilderness · Camp 3 mi away

Big Island Lake Portal

Ends at Big Island Lake
Inside Big Island Lake Wilderness
Camp 2 mi away

0.4 mi out & back · 20 ft gain · Easy

Big Island Lake Wilderness · Camp 2 mi away

Signal

Cell coverage here

VerizonLTE · Poor
AT&TNo signal

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Today50°34°Rain Showers
Fri43°34°Chance Rain Showers
Sat46°35°Sunny
Sun49°38°Mostly Sunny
Mon54°43°Partly Sunny
Tue50°38°Slight Chance Rain Showers
Wed46°37°Slight Chance Rain Showers

Today: Rain Showers · wind 15 to 25 mph N

National Weather Service · refreshed hourly