Question: What waterfall is located downstream of Wiesendanger Falls along the Historic Columbia River Highway?
Context: Vista House is a museum at Crown Point in Multnomah County, Oregon, that also serves as a memorial to Oregon pioneers and as a comfort station for travelers on the Historic Columbia River Highway.  The site, on a rocky promontory, is 733 ft above the Columbia River on the south side of the Columbia River Gorge.  The building shows great sensitivity to its site in the Columbia River Gorge near Corbett, and is listed on the National Register of Historic Places. Eighteenmile Island is a 9.89 acre (4 ha) island on the Oregon side of the Columbia River at river mile 174 in Wasco County, Oregon, United States.  It is about a half mile (0.8 km) downstream of Mosier, Oregon and four miles (6.4 km) upstream of Hood River.  It can be seen from Interstate 84, which runs along the Oregon side of the Columbia River, and from the Historic Columbia River Highway.  A small rocky "island" downstream of Eighteenmile Island houses a navigational light.  The island is mentioned in the journal of Meriwether Lewis, from the Lewis and Clark Expedition. Oregon Route 35 is a state highway in the U.S. state of Oregon, running between Government Camp on the slopes of Mount Hood and the city of Hood River.  OR 35 traverses part of the Mt. Hood Highway No. 26 (Mount Hood Scenic Byway) and part of the Historic Columbia River Highway No. 100 of the Oregon state highway system.  Along the Historic Columbia River Highway in Hood River, the route is silently concurrent with U.S. Route 30. Starvation Creek Falls, is a two tier waterfall located in the Starvation Creek State Park at the north skirt of the Columbia River Gorge, in Hood River County, in the U.S. state of Oregon.  It is located in a privileged area along the Historic Columbia River Highway, where four waterfalls are located in the Starvation Creek State Park: Cabin Creek Falls, Hole In the Wall Falls, Lancaster Falls, and Starvation Creek Falls—all within 2 miles from each other. Warren Creek Falls, was a waterfall located in the Starvation Creek State Park at the north skirt of the Columbia River Gorge, in Hood River County, in the U.S. state of Oregon.  It was located in a privileged area along the Historic Columbia River Highway, where several waterfalls are located in the Starvation Creek State Park, including Cabin Creek Falls, Lancaster Falls, and Starvation Creek Falls—all within 2 miles from each other.  It is frequently referred as the name for Hole-in-the-Wall Falls, a few yards downstream of Warren Creek. The Historic Columbia River Highway is an approximately 75 mi 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 a listing on the National Register of Historic Places as a National Historic Landmark, designation as a National Historic Civil Engineering Landmark by the American Society of Civil Engineers, and 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 (Interstate 84) 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 (still partially marked as U.S. Route 30; see Oregon highways and routes) or the Oregon Parks and Recreation Department as the Historic Columbia River Highway State Trail. Wiesendanger Falls, also known as Double Falls and Twanklaskie Falls, is a 50-foot waterfall on the Columbia River Gorge, Multnomah County, Oregon, United States.  Its main drop is 50 feet and is located upstream of Multnomah Falls and accessed through the Multnomah-Wahkeena Loop Hike. Crown Point (also known historically as Thor's Heights or Thor's Crown) 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 ft 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. Coopey Falls is a waterfall on Coopey Creek in the Columbia River Gorge, on the Historic Columbia River Highway in Multnomah County, Oregon.  The falls is a horsetail waterfall with a drop of 150 ft . Multnomah Falls is a waterfall on the Oregon side of the Columbia River Gorge, located east of Troutdale, between Corbett and Dodson, along the Historic Columbia River Highway.
Answer: Multnomah Falls