Natural Bridges to Davenport via Smith Grade & Swanton Mileage: 55.05 Miles Climb: 6568.8 Feet 0.0 Start at Natural Bridges State Beach 0.06 R into and through Natural Bridges 0.59 X Delaware Ave to Natural Bridges Dr 0.93 L Mission St 1.20 X Shaffer Rd to bike path 2.11 R to exit bike path 2.13 L HWY 1 8.57 R Bonny Doon Rd 15.94 R Empire Grade Rd 21.09 R Smith Grade 26.22 L Bonny Doon Rd 29.47 R HWY 1 30.48 Coffee/Lunch in Davenport 30.78 R Cement Plant Rd 31.84 R HWY 1 32.23 R Swanton Rd 38.93 L HWY 1 53.10 R to bike path 53.13 L on bike path 54.04 X Shaffer Rd to Mission St 54.33 R Natural Bridges Dr 54.66 L Delaware Ave 54.76 R Swanton Blvd 55.05 End at Natural Bridges State Beach R=Right, L=Left, X=Cross, U=Uturn, S=Straight NBP-008