| Glencree | |
|---|---|
| Gleann Crí | |
 | |
  Location in Ireland | |
| Location | County Wicklow, Ireland |
| Coordinates | 53°11′N 6°15′W / 53.183°N 6.250°W |
| Governing body | National Parks and Wildlife Service |
Glencree (Irish: Gleann Crí from the older Gleann Criothach, which translates as Valley of the Shaking Bog) is a valley in the Wicklow Mountains in eastern Ireland. It is the third-closest valley in the mountains to Dublin city, the first being Glencullen and the second Glenasmole. The River Dargle flows down the valley, which rises to a height of about 400 metres (1,312 feet). The foot of the valley is the site of the village of Enniskerry.
In medieval times it was heavily wooded and was a royal forest, apparently the only royal forest in Ireland. The trees seem to have mainly been oak. The name of at least one Royal Forester at Glencree is known, Sir Thomas Fitzadam, who was appointed in 1219.