Clio trestle, Railway bridge in Plumas County, California, US.

Clio Trestle is a railroad trestle on the Feather River Route of the Union Pacific Railroad, in the Sierra Nevada near Clio in Plumas County, California. It is 172 feet (52 m) high and 1,005 feet (306 m) long, the longest and tallest bridge on the route.

Western Pacific Railroad built this bridge in 1909 as a key component of the Feather River Route. This connection made rail transport feasible through challenging mountain terrain between distant cities.

The bridge features in the Western Pacific Railroad Museum's exhibition titled '7 Wonders of the Western Pacific Railroad World'.

The bridge can be viewed from several vantage points along nearby roads, with the best views when approaching from different directions. Clear weather makes it easier to see the full span and appreciate its scale.

The Clio Trestle appears in the opening scene of the 1960 film Guns of the Timberland. It is the longest and tallest bridge on the Feather River Route, at 1,005 feet long and 172 feet high, and is part of the Western Pacific Railroad Museum's "7 Wonders of the Western Pacific Railroad World" exhibit and tour.