NOTOC There is more than one place called Blue Mountain or Blue Mountains:
Australia
- Blue Mountains — a beautiful mountain range west of Sydney in New South Wales.
Caribbean
- Blue Mountains (Jamaica) — a national park and famous coffee growing region in Jamaica.
New Zealand
- Blue Mountains (New Zealand), in West Otago
North America
- Blue Mountains or Abajo Mountains, near Monticello (Utah)
- Blue Mountains (Pacific Northwest) and the Blue Mountains Level III ecoregion near Baker City, Oregon, United States
- Blue Mountains (Nunavut), Canada
- Blue Mountain Lake, New York, United States
- The Blue Ridge Mountains are a part of the Appalachian Mountains range; they extend from southern Pennsylvania to Georgia
- Village at Blue Mountain, Ontario, a town in Canada
Africa
- Blue Mountains (Congo), northwest of Lake Albert, Democratic Republic of the Congo
- Blue Mountains (Niger), a mountain range near the Aïr Mountains in Niger
Eurasia
- Sinimäed Hills (Blue Mountains) in Estonia, near Narva
- Nilgiri mountains (Blue Mountains), southern India