Up Tunitas, Down Tunitas, from San Gregorio SGR013, 24.2 miles, 2857.feet of climbing GO TOTAL TURN ROAD NAME START AT LA HONDA RD. 0.0 STAGE RD. 0.0 0.0 X SAN GREGORIO 1.1 1.1 R HIGHWAY 1 1.5 2.7 R TUNITAS CREEK RD. 9.4 12.1 X SKYLINE BLVD. 0.0 12.1 U TUNITAS CREEK RD. 9.4 21.5 L HIGHWAY 1 1.5 23.0 L STAGE RD. 1.1 24.2 X SAN GREGORIO 0.0 24.2 END LA HONDA RD. R=Right, L=Left, X=Cross, U=Uturn, S=straight