The Graham Hill and Powder Mill Trail Loop horse trail is a 3.2 mile Out & back trail that wanders through the Henry Cowell Redwoods State Park and . This trail is accessible in Spring, Summer, Fall, Winter.
The Graham Hill and Powder Mill Trail Loop horse trail is a 3.2 mile Out & back trail that wanders through the Henry Cowell Redwoods State Park and . This trail is accessible in Spring, Summer, Fall, Winter.