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Porcupine Mountains: Correction Line Trail

Trail Details

County
Ontonagon
Regions
Western Upper Peninsula
Latitude
N 46° 46' 0.84"
Longitude
W 089° 49' 40.08"
Distance
2.8 miles
Trail Type
Foot path
Terrain
Ridges and old growth forests
Difficulty
Challenging
Nearest City or Town
Ontonagon
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Correction Line Trail is a well-traveled route that connects Big Carp River Trail, 4 miles from Lake Superior or 5 miles from the Lake of the clouds Overlook, to Mirror Lake. Its commonly used to form a loop from Lake Superior to Mirror Lake and back to M-107.By combining portions of Lake Superior Trail and Big Carp River and returning on Correction Line and North Mirror Lake Trail, backpackers can undertake a 21-mile, two to four-day trip through some of the most scenic sections of the Porkies.
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Description

Correction Line Trail is a well-traveled route that connects Big Carp River Trail, 4 miles from Lake Superior or 5 miles from the Lake of the clouds Overlook, to Mirror Lake. It’s commonly used to form a loop from Lake Superior to Mirror Lake and back to M-107.

By combining portions of Lake Superior Trail and Big Carp River and returning on Correction Line and North Mirror Lake Trail, backpackers can undertake a 21-mile, two to four-day trip through some of the most scenic sections of the Porkies.

Amenities & Services
Camping
Difficulty - Challenging
Foot Path
Trail Guide

Named for the “correction line” cartographers use to adjust flat maps to the earth’s curvature, the trail departs from a junction reached a quarter mile after the Big Carp River Trail crosses to south side of the river. The first part lies in a low-lying forest that is notorious for being muddy even in fair weather. After a heavy rain, the mud can suck your boots right off your feet.

At Mile 0.7 you cross Landlookers Creek. Landlookers were timber cruisers hired by the lumber companies in the 19th century to search and map out stands of pine. Ironically, this is one section the lumber barons never touched as much of Correction Line passes through virgin stands of hemlock as well as impressive tracts of maples and yellow birch. Once across the creek, the trail begins it long climb to the higher level of the lake.

You climb 200 feet within 0.3 mile, arriving at a spot where the trail crosses a small creek to the other side of a ravine. Then you begin climbing again, this time along a much steeper section as Correction Line takes you quickly from 1,300 to 1,584 feet. At Mile 1.8 you top off on the edge of Big Carp River drainage filled with some of the finest hemlocks and maples in the park. In the fall, views of the valley below are possible and at times even impressive.

The trail levels out when it enters a small hollow of old growth timber enclosed to the north by impressive rock bluffs. The only thing more impressive is the mud. It gets deeper still. The natural inclination is to hike around the mud holes but that only makes the situation worse for others. It is really best to hike right through the mud and wash your boots at the end of the day.

The final half mile begins with a climb over a 1,617-foot knob and ends with the lake coming into view for the first time. A rapid descent puts you at Mirror Lake’s north shoreline and a posted junction with the North Mirror Lake Trail where the Correction Line ends. Lake Superior is 11.8 miles to the west via the Little Carp River Trail and the Lake of the Clouds Overlook is 4 miles to the east along the North Mirror Lake Trail. Head west on the North Mirror Lake Trail to pass the Two-Bunk Cabin and reach South Mirror Lake Trail to access the three backcountry campsites on the south shore of Mirror Lake. Head east on North Mirror Lake Trail to check out the other cabins and campsites.

Facilities

There three wilderness cabins on Mirror Lake - Mirror Lake 8 Bunk, 4 Bunk and 2 Bunk - along with six backcountry campsites. There are no backcountry campsites along Correction Line Trail but there are three near the junction with the Big Carp River Trail. 

Hours & Fees

Rustic cabins are $65 a night and can be reserved six months in advance.The backcountry campsites are $15 a night and are used on a first-come-first-serve basis.

Directions

The west end of Correction Line Trail is reached at Mile 5.3 of the Big Carp River Trail. The trailhead of the Big Carp River Trail is at the Lake of the Clouds Overlook, reached by following M-107 to its west end.

The east end is at a junction with North Mirror Lake Trail on the north shore of Mirror Lake.

Information

For more information call the park headquarters at (906) 885-5275. You can reserve cabins and register for a backcountry campsites through the Michigan State Parks Online Reservation System (800-447-2757; www.midnrreservations.com). 

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