| Pachena Bay | |
|---|---|
  Pachena Bay Vancouver Island | |
| Location | British Columbia, Canada |
| Coordinates | 48°46′37″N 125°07′46″W / 48.7770°N 125.1295°W |
| Ocean/sea sources | Pacific Ocean |
| Basin countries | Canada |
| Max. length | 3.29 km (2.04 mi) |
| Max. width | 1.27 km (0.79 mi) |
| Surface area | 4.9 km2 (1.9 sq mi) |
| Average depth | 7 m (23 ft) |
| Max. depth | 16.6 m (54 ft) |
| Settlements | Huu-ay-aht First Nations |
Pachena Bay is located 13 km (8.1 mi) south of Bamfield in Pacific Rim National Park at the southern end of Vancouver Island, British Columbia, Canada. It was the location of a First Nation's village that was destroyed by a tsunami in 1700.