Orkney comprises approximately 70 islands of which 20 are inhabited. The largest island, known as the "Mainland" has an area of 523.25 km2 (202.03 mi2) making it the sixth largest Scottish island and the tenth-largest island in the British Isles. The largest settlement and busy centre is Kirkwall.;
, You can go either by foot, by bus, by taxi etc.
 Euston station is a large building and you can't miss it. You can book your ticket online or can get a ticket at the station but will suggest you book in advance. Many trains by different companies operate at Euston Station. The one you need is the Caledonian Sleeper. As the name goes, it takes off at night which allows passengers to sleep and rest. It is about 5hrs journey that is from Euston Station to Glasgow. Since Orkney is further north, there are sometimes connecting lines to take you through to Caithness a registration county, lieutenancy area and historic local government area of Scotland. The train journey ends at Thurso a town and former burgh on the north coast of the Highland council area of Scotland part of Caithness.
 Its main features are a small harbour and the pier used as the mainland terminal for Pentland Ferries.
 Throughout the crossing there is the opportunity to see a wide selection of local wildlife including seals, porpoises, killer whales, puffins and other sea birds. As you pass the uninhabited islands of Swona and Stroma watch out for the feral cattle on Swona, now recognised as a separate breed after being left alone on the island since 1974.
Orkney also known as the Orkney Islands (and sometimes "the Orkneys", a name which locals disdain) is an archipelago in northern Scotland, 16 km (10 mi) north of the coast of Caithness.
If you live in Camden, it is not too far from Camden Town to Euston station.
Head north-west towards Barnby St, turn right to Barnby St then turn right to Eversholt St A4200.
Take a taxi and tell driver to take you to Gills Bay which is situated about 3 mi (4.8 km) west of John O' Groats with the community of Gills close by, has one of the longest stretches of low-lying rock coast on the northern shores of Caithness.
Board a ferry at the harbour and within an hour or an hour and half you will find yourself on the Orkney Islands.
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