The River Truim is a right bank tributary of the River Spey

River Spey

The River Spey is a river in the northeast of Scotland, the second longest and the fastest-flowing river in Scotland...

 in the Scottish 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...

. Its headwaters meet to the north of the Pass of Drumochter

Pass of Drumochter

The Pass of Drumochter is the main mountain pass between the northern and southern central Scottish Highlands. The A9 road passes through here, as does the Highland Main Line, the railway between Inverness and the south of Scotland...

 and flow northwards as the Truim past the dam at the northern end of Loch Ericht

Loch Ericht

Loch Ericht is a freshwater loch on the border between Perth and Kinross and the Highlands Council areas of Scotland. It is situated at a height of 351 metres above sea level and has a north-east to south-west orientation. The village of Dalwhinnie lies at the north east end of the loch...

 and through the village of Dalwhinnie

Dalwhinnie

Dalwhinnie "Meeting Place" is a small village in the Scottish Highlands.-Location:Dalwhinnie sits at an altitude of 351 m. It is one of the coldest villages in the UK, having an average annual temperature of 6.5oC, making it suitable for winter walking and mountaineering.It is north of Drumochter,...

, highest village in the Scottish Highlands. The distillery at Dalwhinnie producing Dalwhinnie Single Malt

Dalwhinnie Single Malt

Dalwhinnie distillery, in the Highland village of Dalwhinnie in Scotland, produces Single malt Scotch whisky classified amongst the Highland Single Malts. The distillery was founded with the name of the nearby town Strathspey in the late 1890s. The site was chosen for its access to clear spring...

 is also the highest in Scotland. The waters of its most significant tributary, the Allt Cuaich, are diverted in part along an aqueduct to Loch Ericht. The river continues north-northeastwards down Glen Truim, over the Falls of Truim and on to meet the Spey 2.5 miles (4 km) southwest of Newtonmore

Newtonmore

Newtonmore is a village in the Highland council area of Scotland. It has a population of about 1000. The village is only a few miles from a location that is claimed to be the exact geographical centre of Scotland...

. It is closely followed for almost its entire length by both the A9 road

A9 road

The A9 is a major road running from the Falkirk council area in central Scotland to Thurso in the far north, via Stirling, Bridge of Allan, Perth and Inverness. At 273 miles , it is the longest road in Scotland and the fifth-longest A-road in the United Kingdom...

 and the mainline railway from Perth

Perth, Scotland

Perth is a town and former city and royal burgh in central Scotland. Located on the banks of the River Tay, it is the administrative centre of Perth and Kinross council area and the historic county town of Perthshire...

 to Inverness

Inverness

Inverness is a city in the Scottish Highlands. It is the administrative centre for the Highland council area, and is regarded as the capital of the Highlands of Scotland...

.

Etymology

The name 'Truim' is an anglicisation of the Gaelic

Scottish Gaelic language

Scottish Gaelic is a Celtic language native to Scotland. A member of the Goidelic branch of the Celtic languages, Scottish Gaelic, like Modern Irish and Manx, developed out of Middle Irish, and thus descends ultimately from Primitive Irish....

word for 'elder tree'.