Rosewell and Hawthornden railway station was a railway station that served the village of Rosewell, Midlothian, Scotland from 1855 to 1962 on the Peebles Railway.
Roslin Castle (sometimes spelt Rosslyn) is a partially ruined castle near the village of Roslin in Midlothian, Scotland.
 It is located around 9 miles south of Edinburgh, on the north bank of the North Esk, only a few hundred metres from the famous Rosslyn Chapel.
Rowallan Castle is an ancient castle located near Kilmaurs, about 5 km north of Kilmarnock, East Ayrshire, Scotland.
 The castle stands on the banks of the Carmel Water, which may at one time have run much closer to the low eminence upon which the original castle stood, justifying the old name Craig of Rowallan.
 Elizabeth Mure (died before May 1355) was mistress and then wife of Robert, High Steward of Scotland, and Guardian of Scotland (1338–1341 and from October 1346), who later became King Robert II of Scotland.
 She may have been born at Rowallan.
Rosslyn Castle railway station was a railway station that served the village of Roslin, Midlothian, Scotland from 1872 to 1959 on the Penicuik Railway.
Hawthornden Castle is located on the River North Esk in Midlothian, Scotland.
 The castle lies a mile to the east of Roslin at grid reference [ NT287637] , and is just downstream from Roslin Castle.
 Hawthornden comprises a 15th-century ruin, with a 17th-century L-plan house attached.
 The house has been restored and now serves as a writer's retreat.
 Man-made caves in the rock beneath the castle have been in use for much longer than the castle itself.
Roslin (formerly spelt Rosslyn or Roslyn) is a village in Midlothian, Scotland, 7 miles (11 km) to the south of the capital city Edinburgh.
 It stands on high ground, near the northwest bank of the river North Esk.
Roslin Glen Country Park is a wooded glen in the North Esk Valley, near the village of Roslin in Scotland.
 It contains walks with several places of interest along the way, including Rosslyn Chapel, Roslin Castle, Wallace's Cave and Hawthornden Castle.
William St Clair of Roslin, 21st Baron of Roslin (died 1778) was a member of the Clan Sinclair.
 His title, Baron of Roslin, was not a peerage but a Scottish feudal barony.
 He had an interest in sport and was a skilled golfer and archer.
 He was a freemason, being initiated to the fraternity in the Lodge Canongate Kilwinning on 2nd June 1736.
 He is known as the first Grand Master (although his actual title is Grand Master Mason) of the Grand Lodge of Scotland.
 He was elected to the office on St. Andrew's Day of the same year (1736).
Wallace's Cave is situated in Roslin Glen, in Midlothian, Scotland.
 It is also known as Hawthornden Castle Cave, after Hawthornden Castle which is nearby.
 It takes its name from William Wallace, the Scottish national hero, who participated in the Battle of Rosslyn, which took place close to the cave on 24 February 1303.
John Lawson Johnston (1839– 24 November 1900) was the creator of Bovril.
 He was born in 29 Main Street, Roslin, Midlothian.
 A memorial plaque is on the property and can be seen above the door.
 The plaque was put there by the Roslin Heritage Society.

Question: Which castle is closer to Roslin in Midlothian, Scotland: Hawthornden Caslte or Roslon Castle?
Answer: Roslin Castle