Allen Branch (Troublesome Creek tributary)

Allen Branch is a stream in Lewis County, Missouri, United States. It is a tributary of Troublesome Creek. Allen Branch has the name of N. E. Allen, the original owner of the site.

Allen Branch rises about 2 miles north of Steffenville, Missouri, and then flows generally southeast to join Troublesome Creek about 4 miles east-southeast of Steffenville.

Allen Branch drains 5.97 square miles (15.5 km2) of area, receives about 36.9 in/year of precipitation, has a wetness index of 417.88, and is about 22% forested.

Flows through: United States.

River data from Wikidata (CC0); lengths normalised to a common unit.