Almartha is an unincorporated community in northern Ozark County, Missouri, United States.

The old mill and current fish hatchery of Rockbridge lies downstream on Spring Creek, about six miles to the east.

[3] A post office called Almartha was established in 1855, and remained in operation until 1969.

Although Ozark County is a very rural area, the communities of Wasola, Almartha, Souder, and Rockbridge all share their own zip code of 65773 and a phone line prefix of 265.This separates those communities from the rest of Ozark and Douglas counties, while the majority of those communities fall within the school district to the north, which is Douglas County with the town of Ava as the county seat.

This Ozark County, Missouri state location article is a stub.