[6] The area of Brandywell is open moorland situated in the Northern Uplands of the Isle of Man including the commons grazing land of Slieau-ny-Maggle Intack (archaic North Park)[7] and Injerbreck Hill close to the private residence of ‘Brandywell Cottage’[8] a former Mountain Shepherd's Cottage.

"[13] The area of Brandywell and the adjacent Brandywell junction with A18 Snaefell Mountain Road, the Beinn-y-Phott uplands, Snaefell, Mullagh Ouhr and Clagh Ouhr mountains is the largest continuous area of grassland moorland of 2,654.60 hectares (6,559.7 acres) found on the Isle of Man.

[15][16] For the adjacent property of ‘Brandywell Cottage,’ the publication, A Gazetteer of the Isle of Man writes about a local story: "...a rich Manxman, who had been successful abroad, hired men to work here.

[19][20] The Manx name Chibbyr Slieau Maggle or Chibber slew ne Magerell means "the well at the mountain of testicles", referring to the castration of sheep at this location.

The publication, A Gazetteer of the Isle of Man writes: "....Brandywell Road ....This name has been adopted by the motor cycle fraternity for the sweeping left hand bend.....where the B10 leaves the TT course (A18) a short distance on from Hailwood Rise.

[29] This section of the A18 Snaefell Mountain Road from the Keppel Gate northwards to (North Barrule) was built following a recommendation in a report to Tynwald made by the Disafforesting Commission of 1860.

[33] The Iron Gate section of A18 Snaefell Mountain Road near to the Brandywell road junction was part of the 52.15 mile Highland Course (revised to 40.38 miles in 1906)[34] used for automobile racing including the 1904 Gordon Bennett Trial and the RAC Tourist Trophy automobile races held between 1905 and 1907.

It is currently being used by the Isle of Man Department of Infrastructure and the Brandywell weather station is 425 metres (1,394 ft) above sea level near the highest point of the A18 Snaefell Mountain Road.