Lake Arthur Estates is a census-designated place[3] and mobile home court located in Muddy Creek Township, Butler County, in the U.S. state of Pennsylvania.

Located near the intersections of I-79 and US 422, the village is situated west of Lake Arthur, a reservoir on Muddy Creek.

The community is also just west of Moraine State Park, which surrounds the lake.

[4] It is in the Slippery Rock Area School District.

This Butler County, Pennsylvania state location article is a stub.