Natural Bridges to Davenport via Empire Grade Mileage: 40.87 Miles Climb: 4263.3 Feet 0.0 Start at Swanton Blvd (Natural Bridges) 0.12 U-Turn at W Cliff Dr 0.52 L Delaware Ave 0.64 R Natural Bridges Dr 0.99 R Mission St 1.05 L Western Dr 1.12 X HWY 1 to continue on Western Dr 2.40 L Empire Grade Rd/High St 6.97 L Smith Grade 12.10 L Bonny Doon Dr 15.37 R HWY 1 16.40 Coffee in Davenport 16.67 Slight right at Cement Plant Rd 17.79 R HWY 1 18.17 R Swanton Rd 24.92 L HWY 1 31.50 Lunch in Davenport 31.50 Continue on HWY 1 38.99 R and quick left onto bike path 39.90 X Shaffer Rd onto Mission St 40.17 R Natural Bridges Dr 40.52 L Delaware Ave 40.64 R Swanton Blvd 40.87 End at Natural Bridges State Beach R=Right, L=Left, X=Cross, U=Uturn, S=Straight NBP-006