Glenmalure is a valley

Valley

In geology, a valley or dale is a depression with predominant extent in one direction. A very deep river valley may be called a canyon or gorge.The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of valleys...

 in the Wicklow Mountains

Wicklow Mountains

The Wicklow Mountains form the largest continuous upland area in Ireland. They occupy the whole centre of County Wicklow and stretch outside its borders into Counties Carlow, Wexford and Dublin. Where the mountains extend into County Dublin, they are known locally as the Dublin Mountains...

 in eastern Ireland

Ireland

Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...

. It is a u-shaped glacial valley, with only one road leading into it, which connects to the 'Military Road' (Ref:R115

R115 road

The R115 road is a regional road in counties Dublin and Wicklow in Ireland. It follows the Military Road for its entire length. The R115 is long; the full length of the Military Road is...

) at the mouth of the valley.

Just east of this junction is the Glenmalure Lodge (the official name is The Michael Dywer Pub), which serves hot food and has showers and toilets available to (drinking) walkers; while south of this junction lie the ruins of Glenmalure Barracks, built by the British army

British Army

The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

 to try capture rebels after the 1798 rebellion

Historically it contained the stronghold of the Gabhail Raghnal branch of the O'Byrne clan at Balinacor. It was the site of the Battle of Glenmalure

Battle of Glenmalure

The Battle of Glenmalure took place in Ireland in 1580 during the Desmond Rebellions. An Irish Catholic force made up of the Gaelic clans from the Wicklow Mountains led by Fiach MacHugh O'Byrne and James Eustace, Viscount Baltinglas of the Pale, defeated an English army under Arthur Grey, 14th...

 in 1580, when an English force unsuccessfully tried to take Balinacor - at that time home of the rebel chieftain Fiach MacHugh O'Byrne. It was the worst defeat by an English army in Ireland who were completely routed with losses amounting to 500 officers and men, including Sir Peter Carew.
A boulder near the Military Road crossroads is carved with an inscription commemorating Fiach MacHugh on one side and Michael Dwyer

Michael Dwyer

Michael Dwyer was a Society of the United Irishmen leader in the 1798 rebellion. He later fought a guerilla campaign against the British Army in the Wicklow Mountains from 1798-1803.-Early life:...

 on the other side.

Glenmalure remains a remote location. It contains a youth hostel and is a popular site for camping. It is close to an Irish Army

Irish Army

The Irish Army, officially named simply the Army is the main branch of the Defence Forces of Ireland. Approximately 8,500 men and women serve in the Irish Army, divided into three infantry Brigades...

 artillery range in the Glen of Imaal

Glen of Imaal

The Glen of Imaal is a remote valley in the western Wicklow Mountains in Ireland. It is ringed by the Lugnaquilla massif and its foothills, including Table mountain and Keadeen...

. It has some ruined forts in the forest, as points of interest. It is a popular starting point for hikers interested in climbing Lugnaquilla

Lugnaquilla

Lugnaquilla or Lugnaquillia, historically called Lugnaculliagh is a mountain in County Wicklow, Republic of Ireland. It is the highest peak of the Wicklow Mountains range, the highest in the province of Leinster, and the 13th highest peak in Ireland and affectionately known as "Lug".Views, on a...

. Shamrock Rovers

Shamrock Rovers F.C.

Shamrock Rovers Football Club are a professional football club from Dublin, Ireland. They compete in the Premier Division of the League of Ireland and are the most successful club in Irish football history. The club have won the League of Ireland title a record 17 times and the FAI Cup a record 24...

' former stadium in Milltown, Dublin

Milltown, Dublin

Milltown , Dublin 6, Ireland, is a suburb on the southside of Dublin. The townland got its name well before the 18th or 19th century. Both Milltown and Clonskeagh were "Liberties" of Dublin, following the English invasion and colonisation in 1290....

, was named Glenmalure Park

Glenmalure Park

Glenmalure Park, often simply known as "Milltown", was a football stadium on the Southside of Dublin city in Ireland. Located in the suburb of Milltown, it was home to Shamrock Rovers from 1926 to 1987, when it was sold to property developers by the club's directors...

in the 1930s by the then owners, the Cunninghams, who had family connections with Glenmalure.