The railroad extended from Calumet to McKeever, with branch lines from Freda to Gay. A group in the Keweenaw Peninsula are working on trail renovations, mapping and signing. This will help connect cross country ski trails and other systems making it a premier mountain biking destination. Trails in the Pines and Mines System range from quiet gravel roads to single track back country trails. Trails allow riders to explore many of the country's historic transportation, mining and lumbering sites.
Trails are beginner to intermediate level on gravel and forest roads with some advanced riding.
Riders travel over 100 miles of gravel roads of mostly beginner riding with a few moderate hills. These trails are ideal for families looking for loops of 7 to 16 miles. Creeks, beaver ponds and rivers make up much of the challenge of this trail. Each mountain bike trail has been given a difficulty level. Steepness, length and trail surface are considered.