1. Short title This Act may be cited as the Chuckwalla National Monument Establishment and Joshua Tree National Park Expansion Act of 2024 . 2. Findings Congress finds that— (1) the land designated as the Chuckwalla National Monument by this Act— (A) is an area of national significance and historical and scientific interest requiring protection; (B) (i) is the ancestral homeland of the Iviatim, Kwatsáan, Maara’yam, Nüwü, Pipa Aha Macav, and other Tribal people, including the present-day Cahuilla, Chemehuevi, Mohave, Quechan, and Serrano Indian Tribes; (ii) continues to be regularly accessed and used by the Indian Tribes referred to in clause (i); and (iii) will continue to be used by the Indian Tribes referred to in clause (i) in the future; (C) contains a complex trail system that— (i) was established by Native Americans for various uses, including spiritual, travel, trade, and communication; and (ii) connects to regions outside of the boundaries of the Monument, including Avi Kwa Ame; (D) includes sacred sites, historic properties, traditional cultural places and landscapes, sacred items, objects of cultural patrimony, human remains, religious sites, geoglyphs, petroglyphs, and pictographs with significant value to the survival and well-being of Tribal people and the knowledge systems of Tribal people; (E) includes plants, wildlife, water sources, and minerals that are connected together as part of a greater cultural landscape; (F) has nationally significant biodiversity, due to the location in the transitional zone where the Sonoran Desert and Mojave Desert come together; (G) is home to a wide variety of topography and elevation, leading to distinct microclimates and ecosystems; (H) is largely intact, undeveloped, and adjacent to other federally protected areas, such as Joshua Tree National Park, the Indian Pass Wilderness, and the Palen/McCoy Wilderness