- ChamplainA surname from French.
- Champlain ValleyA north–south running valley surrounding Lake Champlain, in upstate New York State, Vermont and southern Quebec, spanning the United States and Canada, mostly lying within the U.S.; separating the Adirondacks from the Green Mountains and Appalachians.
- Lake ChamplainA north–south running lake surrounded by the Champlain Valley, in upstate New York, Vermont and southern Quebec, spanning the United States and Canada, mostly lying within the U.S.; separating the Adirondacks from the Green Mountains and Appalachians.