The main Ewiiaapaayp Reservation is 4,102.5 acres (16.602 km2) large, located near Mount Laguna, and 19 miles (31 km) east of Alpine.

[1] The second parcel, known as the Little Ewiiaapaayp Indian Reservation, is 10 acres (40,000 m2) of land located within Alpine, which was put into trust in 1986.

They are a self-governance tribe, as outlined in the Indian Self-Determination and Education Assistance Act.

The reservation hosts an annual three-day celebration, the Ewiiaapaayp Gathering, at Thing Valley ranch during the last week of July.

The gathering features birdsongs, basket weaving, acorn processing and other cultural demonstrations, camping, peon games, and a barbecue.