Throop Peak (/ˈtruːp/ TROOP) is a 9,142 feet (2,786 m) peak of the San Gabriel Mountains, in the San Gabriel Mountains National Monument and Angeles National Forest, in Los Angeles County, California.

The high peak provides views of both the Mojave Desert and the Los Angeles Basin all the way to the ocean.

[4] The peak marks the northwestern boundary of the Sheep Mountain Wilderness.

[1] A trailhead for climbing Throop Peak is located at Dawson Saddle along the Angeles Crest Highway.

[4] The most popular seasons for climbing Throop Peak are spring and fall because of the cooler temperatures and easy accessibility.