Campaigns

The proposed Great Bend of the Gila National Monument, near Phoenix, Arizona, would protect over 300,000 acres of the Sonoran Desert.

The Chuckwalla National Monument in Southern California was designated by President Biden in January, 2025.

The Baaj Nwaavjo I’tah Kukveni - Ancestral Footprints of the Grand Canyon National Monument was designated by President Biden in August, 2023.

In May, 2024, President Biden announced the expansion of San Gabriel Mountains National Monument by 109,000 acres.

The Dolores River flows 230 miles across Colorado and Utah and provides world-class recreation opportunities. The Dolores River Canyon Country National Monument would protect thousands of undeveloped acres in Western Colorado.

In May, 2024, President Biden announced the expansion of the Barryessa Snow Mountain National Monument to include Moluk Luyuk. This protects a rare and rugged landscape and critically important to conserve in the face of a changing climate.

In January 2025, President Biden protected over 224,000 acres by designating Sàttìtla Highlands National Monument in the Medicine Lake Highlands region in northern California.

Establishing the Kw'tsán National Monument would protect more than 390,000 acres of the Fort Yuma Quechan Indian Tribe’s ancestral homelands. This Southern California landscape includes incredible cultural, ecological, recreational, scenic, and historical values for future generations to enjoy.