Troutdale is a city in Multnomah County, Oregon, United States, immediately north of Gresham and east of Wood Village. As of the 2020 census, the city population was 16,300. The city serves as the western gateway to the Historic Columbia River Highway, the Mount Hood Scenic Byway, and the Columbia River Gorge. It is approximately 12 miles (19 km) east of Portland.
Multnomah Falls is a waterfall located on Multnomah Creek in the Columbia River Gorge, east of Troutdale, between Corbett and Dodson, Oregon, United States. The waterfall is accessible from the Historic Columbia River Highway and Interstate 84. Spanning two tiers on basalt cliffs, it is the tallest waterfall in the state of Oregon at 620 ft (189 m) in height. The Multnomah Creek Bridge, built in 1914, crosses below the falls, and is listed on the National Register of Historic Places.
The Historic Columbia River Highway is an approximately 75-mile-long (121 km) scenic highway in the U.S. state of Oregon between Troutdale and The Dalles, built through the Columbia River Gorge between 1913 and 1922. As the first planned scenic roadway in the United States, it has been recognized in numerous ways, including being listed on the National Register of Historic Places, being designated as a National Historic Landmark by the U.S. Secretary of the Interior, being designated as a National Historic Civil Engineering Landmark by the American Society of Civil Engineers, and being considered a "destination unto itself" as an All-American Road by the U.S. Secretary of Transportation. The historic roadway was bypassed by the present Columbia River Highway No. 2 from the 1930s to the 1950s, leaving behind the old two-lane road. The road is now mostly owned and maintained by the state through the Oregon Department of Transportation as the Historic Columbia River Highway No. 100 or the Oregon Parks and Recreation Department as the Historic Columbia River Highway State Trail.
Crown Point is a basalt promontory on the Columbia River Gorge and an associated state park in the U.S. state of Oregon. It is located in eastern Multnomah County, approximately 15 miles (24 km) east of Portland. Crown Point is one of the scenic lookouts along the Historic Columbia River Highway, providing a panoramic view of part of the Columbia River. It stands 733 feet (223 m) above the river and is the remains of a lava flow that filled the ancestral channel of the Columbia River 14 to 17 million years ago. The Point was designated a National Natural Landmark in 1971.
Wahkeena Falls is a 242-foot (74 m) waterfall in the Columbia River Gorge in the state of Oregon.
The Bridal Veil Falls is a waterfall located on Bridal Veil Creek along the Columbia River Gorge in Multnomah County, Oregon, United States. The waterfall is accessible from the historic Columbia River Highway and Interstate 84. Spanning two tiers on basalt cliffs, it is the only waterfall which occurs below the historic Columbia Gorge Scenic Highway. The Bridal Veil Falls Bridge, built in 1914, crosses over the falls, and is listed on the National Register of Historic Places.
Horsetail Falls is a waterfall located on Horsetail Creek along the Columbia River Gorge in Multnomah County, in the U.S. state of Oregon. The falls drop over a cut over the columnar basalt cliff within the Oneonta Gorge. It is one of the waterfalls along the Columbia River Highway's waterfall corridor.
The following list presents the full set of National Register of Historic Places listings in Multnomah County, Oregon. However, please see separate articles for listings in each of Portland's six quadrants.
The former First Church of Christ, Scientist, built in 1909, is an historic building located at 1813 NW Everett Street, in Portland, Oregon. It was designed by noted Chicago architect Solon Spencer Beman, who designed many Christian Science churches. On October 2, 1978, the building was added to the National Register of Historic Places.
The Multnomah County Poor Farm is a former poor farm located in Troutdale, Oregon, United States. Established in 1911, the building and its surrounding grounds operated as a poor farm housing the ill and indigent populations in the Portland metropolitan area at the beginning of the twentieth century, after the closure of a poor farm in the city's West Hills. Over the course of the century, the farm would come to be used as a nursing home before becoming abandoned in the 1980s.
The Portland Buddhist Church, located in northwest Portland, Oregon, is listed on the National Register of Historic Places. The church was important to the Japanese-American community that once thrived in Northwest Portland.
The Our Lady of Perpetual Help Roman Catholic Church, located in Cottage Grove, Oregon, is listed on the National Register of Historic Places.
The Fred Harlow House, located in Troutdale, Oregon, is listed on the National Register of Historic Places. The building sits within the 1.4-acre (0.57 ha) Harlow House Park.
Grace Episcopal Church, also referred to as Grace Episcopal Church and Rectory in the context of historic preservation, is a church, historic church building, and accompanying parsonage, all located in Astoria, Oregon, United States.
The Sandy River Bridge, also known as the Troutdale Bridge, is a bridge spanning the Sandy River in Troutdale, Oregon, United States.
