American Discovery Trail
Overview
 
The American Discovery Trail is a coast-to-coast hiking and biking trail
Trail
A trail is a path with a rough beaten or dirt/stone surface used for travel. Trails may be for use only by walkers and in some places are the main access route to remote settlements...

 across the mid-tier of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It starts on the Delmarva Peninsula
Delmarva Peninsula
The Delmarva Peninsula is a large peninsula on the East Coast of the United States, occupied by most of Delaware and portions of Maryland and Virginia...

 on the Atlantic Ocean
Atlantic Ocean
The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

 and ends on the northern California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 coast on the Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

, and is signed on over 6800 miles (10,943.5 km) of trail. This includes the doubled trail stretches. It is possible to complete the coast to coast hike by covering just over 5000 miles (8,046.7 km) of trail. It is the only non-motorized coast-to-coast trail.

The trail passes through 14 national park
National park
A national park is a reserve of natural, semi-natural, or developed land that a sovereign state declares or owns. Although individual nations designate their own national parks differently A national park is a reserve of natural, semi-natural, or developed land that a sovereign state declares or...

s and 16 national forest
United States National Forest
National Forest is a classification of federal lands in the United States.National Forests are largely forest and woodland areas owned by the federal government and managed by the United States Forest Service, part of the United States Department of Agriculture. Land management of these areas...

s and utilizes sections of or connects to five National Scenic Trail
National Scenic Trail
National Scenic Trail is a designation for protected areas in the United States that consist of trails of particular natural beauty.National Scenic Trails were authorized under the National Trails System Act of 1968 along with National Historic Trails and National Recreation Trails...

s, 10 National Historic Trail
National Historic Trail
National Historic Trail is a designation for a protected area in the United States containing historic trails and surrounding areas. They are part of the National Trails System....

s, and 23 National Recreation Trail
National Recreation Trail
National Recreation Trail is a designation given to existing trails that contribute to health, conservation, and recreation goals in the United States. Over 1,000 trails in all 50 U.S. states, available for public use and ranging from less than a mile to in length, have been designated as NRTs...

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