The park contains the original locks that allowed river traffic to circumvent the Cascade Rapids prior to the construction of the Bonneville Dam.
The site marks the official low point of the Pacific Crest Trail, sitting at an elevation of approximately 140 feet above sea level.
The park is home to the historic 1905 steam locomotive, the 'Skookum', periodically maintained for public viewing.
The Marine Park acts as a staging ground for the annual Pacific Crest Trail Days festival held every summer.
The location features a specialized disc golf course integrated into the park's natural terrain.
Remnants of the 19th-century canal system are still visible within the park boundaries.
Cascade Locks Marine Park serves as the primary recreational gateway to the Columbia River Gorge, located directly adjacent to the Bridge of the Gods. The park encompasses the historic site of the Cascade Locks and Canal, constructed in the late 19th century to bypass impassable river rapids. Visitors have direct access to the Thunder Island Brewing Company and the Sternwheeler Columbia Gorge excursion boat dock. The grounds include expansive lawn areas, picnic shelters, and direct riverfront access for small watercraft. The Marine Park is a major trailhead for the Pacific Crest Trail, which crosses the Bridge of the Gods nearby. A static display of the historic locomotive from the Port of Cascade Locks is located on-site. The park provides wide-angle views of the Columbia River and the surrounding Cascade mountain range. It is managed by the Port of Cascade Locks as a multipurpose public facility.
The shoreline of Thunder Island, looking north toward the Bridge of the Gods and the mountains.
Visit during the weekday to avoid heavy traffic from Pacific Crest Trail thru-hikers and weekend tourists.
Check the Port of Cascade Locks official event calendar before arriving, as the park occasionally hosts large festivals that restrict parking.
Bring binoculars for spotting windsurfers and kiteboarders on the Columbia River.
Do not attempt to walk across the Bridge of the Gods without high-visibility gear or extreme caution, as the pedestrian walkway is narrow and shares space with heavy vehicular traffic.
Park grounds are generally accessible year-round, but specific amenities and concessionaire operations are seasonal.
Leash your dogs in designated park areas and respect the marked trail boundaries for hikers.
