| Long Harbour–Mount Arlington Heights | |
|---|---|
| — Town — | |
|
Long Harbour–Mount Arlington Heights
|
|
| Coordinates: | |
| Country | Canada |
| Province | Newfoundland and Labrador |
| Population (2006) | |
| • Total | 211 |
| Time zone | Newfoundland Time (UTC-3:30) |
| • Summer (DST) | Newfoundland Daylight (UTC-2:30) |
| Area code(s) | 709 |
Long Harbour–Mount Arlington Heights is a town in the Canadian province of Newfoundland and Labrador. The town had a population of 211 in the Canada 2006 Census. The town is the site for a hydrometallurgical plant whose construction began in spring 2009.