The Barrier
| The Barrier | |
|---|---|
The rock fall area and the edge of The Barrier | |
| Official name | The Barrier |
| Location | British Columbia, Canada |
| Coordinates | 49°56′06″N 123°04′48″W / 49.9349°N 123.0800°W |
| Dam and spillways | |
| Type of dam | Lava dam |
| Impounds | Rubble Creek |
| Height | 243 m (800 ft) |
| Length | 2.4 km (1.5 mi) |
| Spillways | 1 |
| Spillway type | Uncontrolled |
| Reservoir | |
| Creates | Garibaldi Lake |
| Surface area | 9.94 km2 (3.84 sq mi) |
| Maximum water depth | 258.7 m (849 ft) |
| Normal elevation | 1,484 m (4,869 ft) |
The Barrier is a lava dam retaining the Garibaldi Lake system in southwestern British Columbia, Canada. It is over 300 m (980 ft) thick and about 2.4 km (1.5 mi) long where it impounds the lake.
The area below and adjacent to The Barrier is considered hazardous due to the unstable lava formation.