FSTopo is the Forest Service series of large scale topographic maps spanning many of the USA's national parks and forests at 1:24,000-scale
USDA Forest Service Maps
United States of America
Difficult
Pacific Crest Trail
San Diego County, California · 5.0 · 12 reviews
Medium
Oregon Coast Trail
Clatsop County, Oregon · 5.0 · 9 reviews
Difficult
Appalachian Trail
Dawson County, Georgia · 5.0 · 16 reviews
Difficult
Appalachian Trail - Massachusetts
Berkshire County, Massachusetts · 5.0 · 9 reviews
Difficult
Continental Divide Trail
Hidalgo County, New Mexico · 5.0 · 3 reviews