The River Esk is a river in the county of Lothian in Scotland. Lothian forms a traditional region of Scotland, lying between the southern shore of the Firth of Forth and the Lammermuir Hills. ... Scotland (Alba in Scottish Gaelic) is a country or nation and former independent kingdom of northwest Europe, and one of the four constituent parts of the United Kingdom. ...

It initially runs as two separate rivers, the North Esk and the South Esk.

The North Esk rises in the North Esk Reservoir in the Pentland Hills, a mile (1½ km) north of the village of Carlops. It flows north-east past Penicuik, Auchendinny, through Roslin Glen, past Hawthornden Castle, Polton, Lasswade and Melville Castle. Rosslin is a village in Midlothian, Scotland south of Edinburgh. ...

The South Esk rises at the southernmost extremity of the Midlothian area, on the western slopes of Blackhope Scar (the highest of the Moorfoot Hills). It flows north through Gladhouse and Rosebery reservoirs, and through the village of Temple, before receiving the Redside Burn close to Arniston House. It is joined by the Gore Water and then the Dalhousie Burn, just to the west of Newtongrange, before passing Newbattle Abbey and proceeding through Dalkeith. Midlothian is one of 32 unitary council regions in Scotland, and a Lieutenancy Area. ... Dalkeith is a burgh of barony in MidLothian, Scotland, lying on the River North Esk. ...

The rivers converge just about 2 km north-east of Dalkeith at the edge of the grounds of Dalkeith Palace. From here the River Esk continues north for about 7 km, flowing into the Firth of Forth at Musselburgh. A kilometre (American spelling: kilometer) (symbol: km) is a unit of length equal to 1000 metres (from the Greek words khilia = thousand and metro = count/measure). ... Dalkeith Palace in January 2004 Dalkeith Palace in Dalkeith, Midlothian, Scotland, is the former seat of the Duke of Buccleuch. ... The Forth Bridges cross the Firth The Firth of Forth is the estuary or firth of the River Forth, where it flows into the North Sea between Fife to the north, and West Lothian, the City of Edinburgh, and East Lothian to the south. ... This article is about Musselburgh in Scotland. ...