Eastgate is a small cabin community located at the Eastern portal of Manning Provincial Park in the Cascade Mountains of British Columbia, Canada. It is located in the Similkameen-Okanagan Forest District. The community store and gas station, and formerly the now closed restaurant, are popular for visitors of Manning Park Resort and ski area. The settlement is located along the uppermost Similkameen River. Access to Eastgate is limited solely to east–west travel along the Hope-Princeton Highway. The community has one gas station, a Canco gas station, a cabin rental and a bed and breakfast. The gas station was formerly host to the Eastgate Canada Post Office. The Eastgate Volunteer Fire Department, with three trucks, provides fire protection for the area and frequently participates in forest fire control in the region. The small town shows up on some government maps as Manning Park.

E.C. Manning Provincial Park is a provincial park in British Columbia, Canada. It is usually referred to as Manning Park, although that nomenclature is also used to refer to the resort and ski area at the park's core. The park covers 83,671 hectares and was the second most visited provincial park in 2017-18 after Cypress Provincial Park. The park lies along British Columbia Highway 3, and occupies a large amount of land between Hope and Princeton along the Canada-United States border.