The Marine Park, located in the quaint little city of Cascade Locks, Oregon, is the perfect place to enjoy the breathtaking views of the Columbia River Gorge. While you are here, plan to tour the Cascade Locks Historical Museum and take a sightseeing cruise aboard the Columbia Gorge Sternwheeler riverboat. Within the park, you will find a footbridge over the historic locks and canal to Thunder Island in the Columbia River. The island is open to the public, and provides breathtaking views of the Bridge of the Gods just downriver, known for the many thru-hikers traveling along the PCT (Pacific Crest Trail) who cross the bridge along their trek to Mexico or Canada.
The U.S. Army Corps of Engineers operates and maintains Bonneville Lock and Dam for hydropower production, fish and wildlife protection, recreation, and navigation. Visitors can experience the operation of two hydroelectric powerhouses, watch migrating fish traveling upstream at the underwater viewing rooms next to the fish ladders, and see salmon and sturgeon in the fish hatchery
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