| Big Spring Bog Natural Area Preserve | |
| Map: | Virginia |
| Location: | Grayson County, Virginia |
| Area Acre: | 50 |
| Governing Body: | Virginia Department of Conservation and Recreation |
Big Spring Bog Natural Area Preserve is a 50acres Natural Area Preserve located in Grayson County, Virginia. The terrain is hilly, and within its borders is Chestnut Creek, a tributary of the New River. The preserve features a rare wetland known as a "cranberry glade".[1]
The preserve is owned and maintained by the Virginia Department of Conservation and Recreation, and is open to public visitation only through prior arrangement with a state-employed land steward.[1]