Driving Roads / Angeles Crest Highway

This 66-mile mountain ribbon climbs from La Cañada Flintridge into the San Gabriel Mountains, offering miles of flowing switchbacks just above Los Angeles. It runs about 66 miles along California State Route 2 in California. Drive time: about 1 h 45 min one way.
It starts at Foothill Boulevard in La Cañada Flintridge and ends at the Pearblossom Highway (SR-138) northeast of Wrightwood. On the way it passes the Mount Wilson Road turnoff to Mount Wilson Observatory, Newcomb's Ranch, Chilao Flats, Islip Saddle and Dawson Saddle, and the Mt. Waterman and Mountain High ski areas near Wrightwood.
Best time to go: Late spring through fall. The stretch from Islip Saddle to Vincent Gap is normally closed in winter for rockfall and avalanche hazard.

Sources: Length · High point · Best time. Along the way 1 · Along the way 2. Drive time is the route time for the mapped route without stops, from Mapbox.
Record the climb out of the city and the switchback sections land on your map, with the time and distance in your drive log.
Sharp drop-offs and occasional rockfall mean keeping to your lane and respecting the posted limits, especially in shaded curves.
Open Road keeps every drive: the route on a map, the time and the distance. On iPhone and Android.