View from the A14 towards Sulby Reservoir - geograph

Sulby Glen is a partly wooded

glen A glen is a valley, typically one that is long and bounded by gently sloped concave sides, unlike a ravine, which is deep and bounded by steep slopes. The word is Goidelic in origin: ''gleann'' in Irish and Scottish Gaelic, ''glion'' in Manx. ...

in the parish of

Lezayre Lezayre ( ; ), formally Kirk Christ Lezayre, is one of the seventeen historic parishes of the Isle of Man. It is located in the north of the island (part of the traditional ''North Side'' division) in the sheading of Ayre. Administratively, par ...

in the

Isle of Man The Isle of Man ( , also ), or Mann ( ), is a self-governing British Crown Dependency in the Irish Sea, between Great Britain and Ireland. As head of state, Charles III holds the title Lord of Mann and is represented by a Lieutenant Govern ...

. It runs north to south and is about 5 km (3 miles) long. In places the floor of the glen is only 50 metres wide, with steep sides. The

Sulby River River Sulby or Sulby River can refer to one of two rivers on the Isle of Man: * The longest river on the island, rising on Snaefell near the Sulby Reservoir and running north through Sulby Glen and then east, for 18 kilometers, before reachin ...

rises in the nearby Snaefell Mountain foothills and flows through the glen, and it also contains the A14 road. At the top of the glen the river emerges from the

Sulby Reservoir The Sulby Reservoir is the largest reservoir or lake in the Isle of Man, with an area of . The reservoir Sulby is an impounding reservoir. The dam was completed in 1982 and has a rock-fill embankment high. The reservoir's capacity is and the ...

(the largest

reservoir A reservoir (; ) is an enlarged lake behind a dam, usually built to water storage, store fresh water, often doubling for hydroelectric power generation. Reservoirs are created by controlling a watercourse that drains an existing body of wa ...

in the island, created in 1982). At the bottom of the glen, about 1 km south of the village of Sulby, the river emerges into the island's northern plain. By the riverside just below this point is Sulby Claddagh, a local beauty spot and camp site. A small side valley branching from Sulby Glen near Sulby Reservoir is occupied by Tholt-y-Will Glen, one of the officially-listed

Manx National Glens Manx National Glens is a collective term for a series of glens in the Isle of Man which have been officially designated as tourist attractions. They are maintained by the Department of Environment, Food and Agriculture (Isle of Man), Department o ...

and the only one of these which is located in the mountainous centre of the island. This is managed, preserved and maintained in a semi-natural state by a government agency: the Forestry Amenity and Lands Directorate of the Department of Environment, Food and Agriculture.Tholt-y-Will and Sulby Glen
Retrieved 8 July 2016 As at October 2017, access to Tholt-y-Will Glen was restricted due to a damaged bridge. At the entrance to Tholt-y-Will Glen is a small car park and picnic area.

References

Further reading