1. Where is the Bonneville Dam located?

  2. What types of fish can be seen from the viewing windows at the Bonneville Dam?

  3. The Bonneville Dam supplies electricity to parts of Washington and Oregon. What is the source of the electricity?

  4. Look at the photograph. How do you think workers at the Bonneville Dam control the amount of water that passes through the dam?

  • The Bonneville Dam Visitor Center has viewing windows, out of which visitors can see fish ladders for salmon and trout. Fish ladders are artificial steps that allow fish to move upriver near a dam.
  • The Bonneville Dam supplies electricity to parts of Washington and Oregon using hydropower. Hydropower is power captured from the force or energy of moving water.
  • The Bonneville Dam was named after Captain Benjamin Bonneville. The captain was an officer in the U.S. Army, a fur trader, and an explorer of the American West.
  • The Columbia River Gorge was formed after a series of volcanic eruptions and landslides in the Cascade mountain range. These eruptions began between 50 and 18 million years ago.