100 Years of the “All-Year Highway” Highway 140
September 22 @ 11:00 am - 1:00 pm
Presented by Yosemite Mariposa County Tourism Bureau in partnership with Yosemite National Park and the Mariposa Museum & History Center
Join us as we celebrate 100 years of Highway 140 and its legacy as Yosemite’s historic “All-Year Highway.”
Tuesday, September 22, 2026
- 11:00 a.m.–1:00 p.m.
- Mariposa Museum & History Center, 5119 Jessie Street, Mariposa, CA 95338
Procession | 11:00 a.m. The celebration will begin with a procession of vintage automobiles traveling from downtown Mariposa (starting at the Mariposa Gazette building) along Highway 140 to the Mariposa Museum & History Center. Participants are invited to watch the motorcade along the route from main street to the museum.
Join Us at the Museum | 11:30 a.m. Program and reception will take place at the Mariposa Museum & History Center, beginning at 11:30 a.m.