Haynesville is an unincorporated community in southern Clinton County, in the U.S. state of Missouri.
[1] The community lies about one quarter mile east of I-35 and north of Missouri Route PP.
The community of Holt is located approximately two miles to the southwest on the west side of I-35 in northern Clay County.
[2] Haynesville was platted in 1842 and named after Collet Haynes, an early settler.
This Clinton County, Missouri state location article is a stub.