Autumn comes to the Porcupines

This woodland trail winds through the Porcupine Mountains, in the US state of Michigan, so named because their shape is said to resemble a crouching porcupine. The Escarpment Trail leads up to some of the best views of the picturesque Lake of the Clouds and the Upper Carp River Valley in Porcupine Mountains Wilderness State Park. In the autumn, when this photo was taken, hikers are treated to a kaleidoscope of colourful leaves as the sun hits the forest canopy. This huge park has more than 90 miles of hiking trails within its borders, as well as roaring waterfalls, rivers and part of the shoreline of Lake Superior, the largest of North America’s Great Lakes.
© Pat & Chuck Blackley/Alamy