 | |
  Shown within Southwest Cornwall | |
| Location | Madron, Cornwall, England |
|---|---|
| Coordinates | 50°08′51″N 5°35′57″W / 50.14750°N 5.599167°W |
| Type | Dolmen |
| History | |
| Periods | Neolithic |
| Site notes | |
| Ownership | National Trust |
| Official name | Chambered long barrow known as Lanyon Quoit |
| Designated | 10 August 1923 |
| Reference no. | 1006745 |
Lanyon Quoit is a dolmen in Cornwall, England, United Kingdom, 2 miles southeast of Morvah. It collapsed in a storm in 1815 and was re-erected nine years later, and as a result the dolmen is now very different from its original appearance.