Darlington Dam
| Darlington Dam | |
|---|---|
| Official name | Darlington Dam |
| Country | South Africa |
| Location | Eastern Cape |
| Coordinates | 33°12′22″S 25°8′1″E / 33.20611°S 25.13361°E |
| Purpose | Irrigation, industrial and domestic |
| Construction began | 1918 |
| Opening date | 1922 (upgraded 1951/52) |
| Owner(s) | Department of Water Affairs |
| Dam and spillways | |
| Type of dam | Gravity dam |
| Impounds | Sundays River |
| Height | 35.3 m |
| Length | 230 m |
| Dam volume | 209 000 m3 |
| Spillways | 5 |
| Spillway type | Controlled (gates) |
| Spillway capacity | 632 m3/s (max - combined) |
| Reservoir | |
| Creates | Lake Mentz |
| Total capacity | 187 000 000 m3 |
| Catchment area | 16 700 km2 |
| Surface area | 3452.7 ha (FSC) |
Darlington Dam, also referred to as Lake Mentz, is a gravity type dam situated in the Addo Elephant National Park confining the Sundays River, near Kirkwood, in the Eastern Cape, South Africa.