Chimney Rock National Historic Site, 9822 County Road 75, about 4 miles south of Bayard, is a National Park Service affiliated site run by History Nebraska. The rock, the best-known landmark of the Oregon–California Trail, rises about 300 feet above the valley to 4,228 feet. The Ethel S. and Christopher J. Abbott Visitor Center has exhibits on the overland migration and a gift shop. Off-season hours (October–April) are Tuesday–Saturday 9–4 Mountain; summer hours are longer. Admission $5 for adults, $3 for ages 5–18, free for 4 and under and History Nebraska members. Designated a National Historic Site on August 9, 1956. Phone (308) 586-2581.