24 Nov 2016 Beaches, Hikes, Walks 3-5 miles, marin county, north bay, waterfront Tennessee Valley Trail, Mill Valley 591 Tennessee Valley Rd, Mill Valley, CA 94941 3.5-4 miles // 2 hours // mostly sun Easy walk on dirt roads until you hit the beach. Share with: Beautiful morning hike! Gorgeous colors. Inhale. The pond before the beach. So thankful to live in this beautiful part of the world. Happy place. And then we found Stinson! Look at that face! This guy knew the way. Somebody's got his serious face on.