Speedwell is an unincorporated community in Wythe County, Virginia, United States. Speedwell Is famous for 'Cave Hill' a Cave in the side of the mountain. Speedwell has been known to be called Speedville.
The Zion Evangelical Lutheran Church Cemetery was listed on the National Register of Historic Places in 1979.
The climate in this area has mild differences between highs and lows, and there is adequate rainfall year round. According to the Köppen Climate Classification system, Speedwell has a marine west coast climate, abbreviated "Cfb" on climate maps.