Claim: Timber Hill is an 860 feet slope located in Vernon County, Missouri, four miles east of Horton, near where the Marmaton and Little Osage Rivers meet.
Evidence: It has an elevation of 860 feet (260 m). Timber Hill is an isolated knob that is located just southeast of the confluence of the Marmaton River with the Little Osage River. The community of Horton is about four miles to the west on US Route 71. Horton is an unincorporated community in northern Vernon County, Missouri, United States.