| Mynydd y Garn | |
|---|---|
 | |
| Highest point | |
| Elevation | 170 m (560 ft) |
| Prominence | 110 m (360 ft) |
| Listing | HuMP |
| Naming | |
| English translation | hill of the cairn |
| Language of name | Welsh |
| Geography | |
 | |
| Location | Anglesey, Wales |
| OS grid | SH315907 |
| Topo map | OS Landranger 114 / Explorer 262 |
Mynydd y Garn is a hill in the northwest of the Isle of Anglesey in north Wales. Its 170 m (560 ft) high summit is crowned by a trig point and a stone obelisk. Erected in 1897 it commemorates Sir William Thomas, ship-owner and one time High Sheriff of Anglesey.