Loch Tay is a freshwater loch

Loch

Loch is the Irish and Scottish Gaelic word for a lake or a sea inlet. It has been anglicised as lough, although this is pronounced the same way as loch. Some lochs could also be called a firth, fjord, estuary, strait or bay...

 in the central highlands

Scottish Highlands

The Highlands is an historic region of Scotland. The area is sometimes referred to as the "Scottish Highlands". It was culturally distinguishable from the Lowlands from the later Middle Ages into the modern period, when Lowland Scots replaced Scottish Gaelic throughout most of the Lowlands...

 of Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

, in the district of Perthshire

Perthshire

Perthshire, officially the County of Perth , is a registration county in central Scotland. It extends from Strathmore in the east, to the Pass of Drumochter in the north, Rannoch Moor and Ben Lui in the west, and Aberfoyle in the south...

.

It is a long narrow loch of around 14 miles (23 km) long, and typically around 1 to 1½ miles wide, following the line of the valley from the south west to north east. It is the sixth largest loch in Scotland by area and over 150 metres (492.1 ft) deep at its deepest.

Ben Lawers

Ben Lawers

Ben Lawers is one of the highest mountains in the southern part of the Scottish Highlands. It lies to the north side of Loch Tay, and is the highest point of a long ridge that includes seven Munros. Ben Lawers was long thought to be over 4,000 ft in height; accurate measurement in the 1870s...

 on its north shore is at 1214 m the 10th highest mountain in the British Isles

British Isles

The British Isles are a group of islands off the northwest coast of continental Europe that include the islands of Great Britain and Ireland and over six thousand smaller isles. There are two sovereign states located on the islands: the United Kingdom of Great Britain and Northern Ireland and...

, and is the highest peak in a group of seven munro

Munro

A Munro is a mountain in Scotland with a height over . They are named after Sir Hugh Munro, 4th Baronet , who produced the first list of such hills, known as Munros Tables, in 1891. A Munro top is a summit over 3,000 ft which is not regarded as a separate mountain...

s.
Killin

Killin

Killin is a village situated at the western head of Loch Tay in Stirling , Scotland....

 at the head of the loch, and Kenmore at the outflow of the River Tay

River Tay

The River Tay is the longest river in Scotland and the seventh-longest in the United Kingdom. The Tay originates in western Scotland on the slopes of Ben Lui , then flows easterly across the Highlands, through Loch Dochhart, Loch Lubhair and Loch Tay, then continues east through Strathtay , in...

, are the main settlements on the lochside today.