| Greer Spring Big Ozark Spring | |
|---|---|
 | |
| Location | |
| Country | United States |
| State | Missouri |
| Region | Ozark Plateau |
| Physical characteristics | |
| Source | Greer Spring Outlet |
| • location | Eleven Point River basin, Salem Plateau, Ozark Plateau, Missouri |
| • coordinates | 36°47′12″N 91°20′51″W / 36.78667°N 91.34750°W[1] |
| • elevation | 564 ft (172 m) |
| Mouth | Eleven Point River |
• location | Greer, Oregon County, Ozark Plateau, Missouri |
• elevation | 519 ft (158 m)USGS 7.5 min topo quad map |
| Length | 1.4 mi (2.3 km) |
| Discharge | |
| • location | Greer Spring1981-2009 [1] |
| • average | 360 cu ft/s (10 m3/s)1981-2009 [1] |
| • maximum | 1,770 cu ft/s (50 m3/s) |
| Basin features | |
| U.S. NNL | Designated: 1980 |
Greer Spring is a first magnitude spring located in the southeast portion of the Ozark Plateau, in Oregon County in south-central Missouri within the boundaries of the Mark Twain National Forest. The spring is the second largest spring in the Ozarks, with an average discharge of 360 cubic feet (10 m3) of water per second.[1] Greer Spring was designated a National Natural Landmark in 1980.[2]