The Flattop Mountain Trail to Ptarmigan Pass to Big Meadows [CLOSED] horse trail is a 25.5 mile Out & back trail that wanders through the Rocky Mountain National Park and . This trail is accessible in .
The Flattop Mountain Trail to Ptarmigan Pass to Big Meadows [CLOSED] horse trail is a 25.5 mile Out & back trail that wanders through the Rocky Mountain National Park and . This trail is accessible in .