(Be sure to pack a picnic for this spot.). Working at Bonneville is great, but don’t take our word for it. Explore the waterfalls of the national scenic area just east of Portland with a guide and driver. We take a break from sturgeon fishing to check out the massive Bonneville Dam on the Columbia River. amzn_assoc_search_bar = "true"; This website visitors assume full responsibility for any use of this information and are encouraged to contact local agencies directly to inquire about the most up-to-date information and regulations. The largest Oregon hatchery, Bonneville Dam Fish Hatchery is a favorite stop for visitors. The Bonneville Dam spans the width of the Columbia River. The Bonneville Dam is a national historic site that provides power for 80% of the Pacific Northwest.