The Isle of Man TT Mountain Course or TT Course is a street and public rural road circuit located in the Isle of Man, used for motorcycle racing. The motorcycle TT Course is used principally for the Isle of Man TT Races and also the separate event of the Isle of Man Festival of Motorcycling for the Manx Grand Prix and Classic TT Races held in September of each year. The start-line for the Isle of Man TT Mountain Course is located on Glencrutchery Road in the town of Douglas, Isle of Man.
Highlander is situated between the 5th and 6th Milestone road-side markers on the Snaefell Mountain Course used for the Isle of Man TT races on the primary A1 Douglas to Peel road in the parish of Marown in the Isle of Man.
Governor's Bridge is a hairpin bend adjacent to a road junction on the primary A18 Mountain Road in the parish of Onchan in the Isle of Man, with a sudden drop in elevation leading to Governor's Dip, followed by a left-hand bend and finally a right exiting on to the main Glencrutchery Road.
Parliament Square, Ramsey is situated between the 23rd and 24th Milestone road-side markers on the Snaefell Mountain Course used for the Isle of Man TT Races on the junction of the primary A3 Castletown to Ramsey road, the A9 Ramsey to Andreas road and A2 Douglas to Ramsey road situated in the town of Ramsey in the parish of Lezayre in the Isle of Man.
Ramsey Hairpin is a point on the Snaefell Mountain Course used for the Isle of Man TT races on the Snaefell Mountain Road, designated as A18, in the parish of Maughold in the Isle of Man.
Ballig is a small hamlet of a few houses situated between the 8th and 9th Milestone road-side markers on the Snaefell Mountain Course between Ballacraine and Glen Helen. It is the site of a former notorious hump-back bridge used for the Isle of Man TT Races on the primary A3 Castletown to Ramsey and the road junction with the A20 Poortown Road in the parish of German in the Isle of Man.
Brandywell, Isle of Man or is an area of Mountain Lands of heath moorland and coniferous woodland plantations situated in the Northern Upland Massif in the parish of Kirk Michael in the Isle of Man. The area was previously used by local shepherds due to a local stream and a nearby former venerated water well which was known for its distinctive quality and "brandy" colour of the water.
The Bungalow, Isle of Man, one of a handful of better-known vantage points spread around the Snaefell Mountain Course, is situated adjacent to the 31st Milestone roadside marker on the road junction of the primary A18 Mountain Road, the A14 Sulby Glen Road and the road-tramway crossing for the Snaefell Mountain Railway in the parish of Lezayre in the Isle of Man.
Hillberry Corner is situated at the 36th Milestone road-side marker on the Snaefell Mountain Course, being on the primary A18 Mountain Road with the side-road junction of the C22 Little Mill Road, in the parish of Onchan in the Isle of Man.
Appledene is situated between the 6th and 7th roadside mile-markers, measured from the startline of the Snaefell Mountain Course used for the Isle of Man TT races, on the primary A1 Douglas to Peel road in the Isle of Man parish of German.
Ballaspur is situated between the 7th and 8th Milestone road-side markers on the Snaefell Mountain Course used for the Isle of Man TT races on the A3 Castletown to Ramsey road in the parish of German in the Isle of Man.
Creg Willey's Hill, Craig Wyllys, or Creg Willey's is situated close to the 10th milestone road-side marker after Sarah's Cottage on the Snaefell Mountain Course used for the Isle of Man TT races on the primary A3 Castletown to Ramsey road in the parish of German in the Isle of Man.
Ballacrye is situated adjacent to the 19th Milestone of the TT Course, on the primary A3 Castletown to Ramsey road at the junction with the B9 Ballacrye Road, in the parish of Ballaugh in the Isle of Man.
Cronk-ny-Mona is situated between the 36 and 37 mile markers used for the Snaefell Mountain Course, being on the primary A18 Mountain Road at the road junction with the A21 Johnny Watterson('s) Lane and the tertiary C10 Scholag Road in the Isle of Man parish of Onchan.
The Mountain Mile is a 1.3 mile section of a purpose-built graded road situated between the 27th and 29th Milestone roadside markers on the Snaefell Mountain Course used for the Isle of Man TT and Manx Grand Prix races on the A18 Mountain Road in the parish of Lezayre in the Isle of Man.
Ballacobb is situated between the 16th and 17th Milestone road-side markers on the Snaefell Mountain Course, on the primary A3 Castletown to Ramsey road at the side-junction with the tertiary U16 Slieu Curn Road, in the parish of Ballaugh in the Isle of Man.
Whitegates, a left-curve, is situated adjacent to the 24th mile road-side marker measured from the start/finish line on the Snaefell Mountain Course used for the Isle of Man TT and Manx Grand Prix motorcycle races. The area also has the historic 15th milestone on the primary A18 Mountain Road, showing the distance from Douglas, Isle of Man to the town of Ramsey.
Douglas Road Corner or Kirk Michael Corner is situated adjacent the 14th Milestone road-side marker on the Snaefell Mountain Course on the primary A3 Castletown to Ramsey Road and the road junction with the A4 Peel to Kirk Michael Coast Road in the parish of Michael in the Isle of Man.
Hailwood's Height, preceded by Hailwood's Rise, is situated between the 31st and 32nd Milestone road-side markers on the Snaefell Mountain Course used for the Isle of Man TT Races on the A18 Snaefell Mountain Road in the parishes of Lezayre and Lonan in the Isle of Man.
The Nook is situated on the primary A18 Mountain Road in the parish of Onchan in the Isle of Man between the 37th Milestone road-side marker on the Snaefell Mountain Course and the TT Grandstand on the primary A2 Glencrutchery Road in the town of Douglas.
