Walnut Grove, also known as the Robert Preston House, is a historic plantation house located just outside Bristol in Washington County, Virginia.

It was built about 1815, and is a two-story, Georgian style timber-frame dwelling covered with wood weatherboard.

The house has a gable roof and has a one-story full-width porch.

[3] It was listed on the National Register of Historic Places in 2004.

This article about a property in Washington County, Virginia on the National Register of Historic Places is a stub.