Street Address
Interstate 90 crosses the Columbia
Ephrata, WA 98823
Mailing Address
P. O. Box 878
Ephrata, WA 98823
Monday - Friday8:30 AM - 4:30 PM
Sunday, Saturday9 AM - 5 PM
Group Tours


Open year-round, the Wanapum Heritage Center presents, maintains and continues the Wanapum History and way of life. Visitors to the museum can view numerous displays of Wanapum historical artifacts or watch videos of the Wanapum history and the Columbia River.

The Wanapum Heritage Center repository cares for and manages the ethnographic, archaeological, historical, and archival collections of the Wanapum. This repository provides a secure, climate-controlled environment for Wanapum photographs and artifacts and for archaeological data and collections from the region. Curation of materials within the repository is done by means of a state-of-the-art computer database.


The Heritage Center is located next to Wanapum Dam on the Columbia River.

Dam Tours

Tours of the Wanapum Dam fish ladder are available by appointment only with two weeks advanced notice. Access to the dam is limited.

Group Tours