Zone 3
Southwest (Texas, New Mexico, Arizona)
Arizona
Cathedral Wash
2.9 miles out & back; 270ft. elevation gain; Moderately Strenuous
Canyon, historical interest, river; Canyon de Chelly National Monument
White House Ruin
3.2 miles out & back; 537ft. elevation change; Moderate
Historical interest, canyon; Canyon de Chelly National Monument
New Mexico
Vulcan Volcano Loop
Views, volcano; Petroglyph National Monument
Vulcan Volcano Loop Trail Guide. Get the national park description here.
Tumacacori
Varies; Varies; Easy
Historical interest; Nogales
Texas
Rock Garden Trail
5.0 miles out & back; 777ft. elevation gain; Moderate
Canyon, views, badlands; Palo Duro State Park
Rock Garden Trail Guide. Map here.
Penitentiary Hollow
1.2 miles out & back; 187ft. elevation gain; Moderate
Views, lake; Mineral Wells
Penitentiary Hollow Trail Guide
Zone 4
Rocky Mountain States (Montana, Idaho, Wyoming, Colorado)
Idaho
East Moscow Mountain
4.1 miles out & back; 941ft. elevation gain; Moderate
Views, mountains; Moscow
East Moscow Mountain Trail Guide
Montana
Blacktail Mountain
8.9 mile loop; 823ft. elevation gain; Moderate
Forest, views, mountains, x-country skiing; Flathead National Forest
Blacktail Mountain Trail Guide
Wyoming
Road 264
8.4 miles out & back; 1,128ft. elevation gain; Strenuous
Forest, canyon, views, mountains, x-country skiing; Big Horn County
Colorado
Nymph, Dream, and Emerald Lakes
3.6 miles out & back; 615ft. elevation change; Moderate
Lake, mountains, views; Rocky Mountain National Park