Tucked into the rugged folds of the Great Glen, just a short drive from Fort William, the River Garry is one of those places that gets under your skin. It’s dramatic, beautiful, historically fascinating — and when the dam releases, it becomes one of the best whitewater experiences in Scotland. At Active Highs, the Garry is our home river, and we think it deserves a lot more attention than it gets.
A River Shaped by Highland History
The River Garry flows east from Loch Garry, winding through one of the most scenically spectacular corners of the Scottish Highlands before emptying into Loch Oich — one of the three lochs that make up the famous Great Glen. The glen itself is a landscape steeped in Jacobite history, ancient clan rivalries, and centuries of Highland life.
The character of the modern Garry, however, was largely shaped in the 1950s, when the river became part of a major feat of post-war Scottish engineering. The Great Glen Hydro-Electric Scheme was built in the 1950s and early 1960s by the North of Scotland Hydroelectric Board — an organisation established by an Act of Parliament in 1943 to bring electricity to the remote communities of the Highlands and Islands. At the time, it was a region with staggering energy poverty — just one farm in six, and one croft in a hundred, had electricity.
The Invergarry Dam was completed as part of this scheme. Built in 1956, it is a mass concrete dam spanning a narrow gorge, with two gates to control the level of the loch and a compensation set that generates power from the legal minimum compensation water released to the river. Water is carried from Loch Garry by tunnel to the power station at Invergarry, near the mouth of the River Garry on Loch Oich, where a Kaplan turbine operates under a head of over 50 metres — at the time of installation, a particularly impressive engineering achievement. The Invergarry Power Station has a 20MW generating capacity.
The Dam Releases — and Why They Matter
The dam doesn’t just generate electricity — it also plays a critical role in the ecological health of the river. The Invergarry Dam includes a Borland fish lift, designed to allow migrating salmon to move upstream. Scheduled water releases from the dam take place regularly between April and October, timed to coincide with the Atlantic salmon’s migratory season — when fish travel upstream from the sea to reach their spawning grounds in the headwaters of the Garry catchment. These releases help maintain the water levels and flow conditions that salmon need to navigate the river successfully.
It’s a reminder that these Highland rivers are living ecosystems, shaped by forces far bigger than any one activity or industry. The relationship between the dam, the salmon runs, and the river’s ecology has been the subject of ongoing conservation work for decades, with organisations including SSE Renewables, the Ness and Beauly Fisheries Trust, and Scottish Environment Protection Agency all working to restore and protect the Garry’s wild salmon population. SSE has committed significant funding to salmon restoration work on the upper Garry, in recognition of the impact that decades of hydroelectric development have had on the river.
When you’re rafting the Garry, you’re on a river that people genuinely care about — and that care is part of what makes it special.
Grade 3–4 Whitewater at Its Best
Of course, the dam releases don’t just benefit the salmon. They also guarantee one of the best whitewater experiences in Scotland, right through the summer.
The River Garry is a fantastic, fun, and adventurous river with great Grade 3 and 4 rapids. The guaranteed weekly water releases from the dam mean that during the summer season, it offers the best guaranteed whitewater rafting in Scotland — when all other rivers can be very low or dry.
From the moment you put in below the dam, the river gets straight to business. The first rapid is just 50 metres away from the put-in, and from there it’s a succession of big bouncy waves, technical drops, and brilliant surf features. The rapids have names that tell you everything you need to know: Double or Quits, Surf’s Up, Hey Diddle Diddle, and the infamous Tunnel of Love.
The full run from the dam to Invergarry is approximately 5km, taking in all the rapids before the river mellows into flat water. There are also two more punchy Grade 3 drops in Invergarry itself — Boof Left and Twisting Drop — perfect for a final flourish before you’re done.
The Setting
Whitewater aside, the Garry is simply gorgeous. The river cuts through a forested Highland valley flanked by steep hillsides, with Loch Garry visible above the dam and the Great Glen stretching out ahead of you. It’s the kind of landscape that makes you feel very small — in the best possible way.
The River Garry is 25 miles from Fort William and 45 miles from Inverness, making it an easy day trip from either direction. The A82 Great Glen road runs alongside much of the river, but once you’re on the water, the outside world quickly disappears.
Come and Paddle with Active Highs
At Active Highs, we run whitewater rafting, kayaking, and hydrospeeding on the River Garry throughout the season. Our experienced guides know every rapid intimately, all equipment is provided, and no previous experience is necessary. Whether you’re planning a family adventure, a stag or hen weekend, or just want a proper Highland adrenaline fix, the Garry delivers every time.
The dam release schedule runs from April to October — check our booking page for available dates, or get in touch and we’ll find a date that works for you.
Ready to take on the Garry?
