Loch Sunart (Scottish Gaelic Loch Shuaineart) is a sea loch on the west coast of Scotland. Loch Sunart is bounded to the north by the Sunart district of Ardnamurchan and to the south by the Morvern district. At 31 kilometres (19 mi) long, it is the longest sea loch in the Highland local government area. The maximum depth of the loch is 124 metres, east of Càrna and near the entrance to Loch Teacuis. Other islands in the loch include Oronsay, seaward of Càrna, Risga, which lies between the two larger islands, and Eilean Mòr, which lies towards the landward end of the loch in line with Beinn Resipol.

Quick Facts Location, Coordinates ...

Loch Sunart MPA
IUCN category IV (habitat/species management area)
Looking south over Loch Sunart to Morvern
The location of Loch Sunart, in Lochaber
Location	Lochaber, Scotland
Coordinates	56.7001°N 5.7569°W / 56.7001; -5.7569
Area	4,900 ha (19 sq mi)[1]
Designation	Scottish Government
Established	2014
Operator	Marine Scotland

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A considerable part of the loch is leased for aquaculture, with fish farming, originally only of salmon but now somewhat diversified, being established in the 1980s.

A local legend holds that the absence of resident swans in Loch Sunart is the result of a doomed love affair between a Celtic chieftain and a local girl. When his mother, who opposed a marriage, turned her into a swan to thwart their love, the young man accidentally killed the swan while hunting. On learning of the swan's real identity he killed himself to join the swan at the bottom of the loch, which swans supposedly have shunned ever since.^[3]

At the Disruption the local landlord refused the Free Church permission to build a church on his land. The solution of Graham Speirs was to build a floating iron church. After delays this was completed and towed into place starting on Wednesday 8 July 1846. At the cost of slight inconvenience to the congregation, a mooring was chosen below the township of Ardnastang, in the bay of Eilean a’Mhuirich, about 1.25 miles west of Strontian. By three o’clock on the Friday afternoon, she was safely moored about 150 yards offshore. The church being ready for public worship the congregation were ferried out that Sunday morning between the hours of ten and twelve. A large blue flag flew from the church bearing in large characters the inscription “An Eaglais Shaor”.^[2][4]

In 2014 the entire loch (an area of 4,900 hectares or 49 square kilometres) was declared a Nature Conservation Marine Protected Area (NCMPA), to protect features including flame shell beds and Leptometra celtica population.^[1] Serpulid beds are also present here, as are organisms such as sponges, starfish and brittlestars.^[5] The MPA is designated a Category IV protected area by the International Union for Conservation of Nature.^[6] Within the MPA the use of fishing gear is generally prohibited, although creeling is permitted in certain parts of the loch.^[7]

The loch also forms part of a larger (74,100 hectares or 741 square kilometres) NCMPA, entitled Loch Sunart to the Sound of Jura, which extends to include the Sound of Mull, the Firth of Lorne and the Sound of Jura. This MPA has been designated to protect the population of common skate and the area's quaternary geological features.^[8]