Llyn Alwen is a small natural upland lake on Mynydd Hiraethog in Conwy County Borough, Wales at SH 898 565. It lies on the rolling Silurian moorland to the north-west of Mwdwl-eithin and about 10 km to the east of Betws y Coed. The discharge from the lake flows under the A543 road to form the headwater of Alwen Reservoir. The area was used as a special stage during the 2015 Wales Rally GB.
| Llyn Alwen | |
|---|---|
 Llyn Alwen | |
  Llyn Alwen | |
| Location | Mynydd Hiraethog, Conwy County Borough, Wales |
| Coordinates | 53°05′41″N 3°38′51″W / 53.0947°N 3.6474°W |
| Type | lake |
 | This Conwy County Borough location article is a stub. You can help Wikipedia by expanding it. |