The comfortable temperatures and beautiful colors make fall one of the best seasons to enjoy hiking in the US. Here are five of the most scenic fall hiking trails in the US. Acadia National Park in Maine is one of the country’s most visited national parks. Mount Monadnock is a 3,165-foot peak in southern New Hampshire. 125,000 people climb the mountain every year. Whiteside Mountain in North Carolina offers visitors stunning views of the Blue Ridge Mountains. White River National Forest in Colorado contains hiking trails that are suitable for both beginner and experienced hikers. Kebler Pass in Colorado is famous for being home to the biggest aspen grove in North America.