Napa College start                             
AT     GO ON/AT                                FOR   COMMENTS
0.0    L  Napa-Vallejo Hwy. (CA 221)           0.7   
0.7    R  Silverado Tr.                        2.5
3.2    L  Silverado Tr.                        0.2   
3.4    R  Silverado Tr.                        13.9  
17.3   R  Sage Canyon (CA 128)                 3.8   
21.1   R  Sage Canyon (@ Chiles & Pope Valley) 4.6   
25.7   R  Sage Canyon (@ Lower Chiles Valley)  3.2   
28.9   R  Berryessa-Knoxville (@ Turtle Rock)  5.2   store @ Turtle Rock
34.1   S  Moscowite Corner Store                     regroup -- lunch at store/restaurant
34.1   R  Monticello Rd. (CA 121)              11.5  
45.6   S  Store at CA 121 & Vichy                    regroup -- Those not wanting to do the Atlas Pk.
45.6   C  CA 121                               0.1   out & back can continue on, completing ~52 mi.
45.7   R  Atlas Peak Rd. (to top and back)     20.0  viewpoint -- Bubbling Springs Pet Cemetary
65.7   L  Monticello Rd. (CA 121)              0.1
65.8   R  Vichy Ave.                           1.0   
66.8   R  Hagen                                0.1   
66.9   L  First                                1.5   
68.4   R  Coombsville                          1.2   
69.6   L  Terrace                              0.8   
70.4   R  Shurtleff Ave.                       0.7   
71.1   R  Imola                                0.1   
71.2   L  Parrish (into Napa State Hospital)   0.1
71.2   R  North Oak                            0.2
71.5   R  Magnolia                             0.3
71.9   L  Napa-Vallejo Hwy. (CA 221)           0.2   
71.9   R  Napa College                               

71.91  Miles; ~4850' Vertical
L-left, R-right, X-cross, B-becomes, C-continue, S-stop