Lewis and Clark Landing is a public park located at 515 North Riverfront Drive in Downtown Omaha, Nebraska. This 23acre park is situated along the eight-foot-tall (2.4 m) river walk of the Missouri River just north of U.S. Interstate 480.HistoryLewis and Clark Landing is the original landing site of the 1804 Lewis and Clark Expedition. The Lewis and Clark Expedition took place from 1804 to 1806. The purpose of the expedition was to explore the land which the United States had purchased from France through the Louisiana Purchase in 1803. Lewis and Clark Landing now sits on property formerly owned by ASARCO, which maintained a lead refinery there that closed in 1997. HDR Inc. won an award from the United States Environmental Protection Agency for their work on remediation of the Lewis and Clark Landing.