Skip to content
Glen Lyon
Photo: Gordon Morrison / CC BY-SA 2.0 via Geograph

Glen

Glen Lyon

Often called Scotland's longest enclosed glen — a long single-track road, ancient trees, river pools, and the Fortingall Yew at its entrance.

Length
55km
Munros
13
Corbetts
4
Grahams
1
Highest peak
Ben Lawers (1214.3m)

Glen Lyon runs west from Fortingall for around 55 kilometres, gradually narrowing from a broad agricultural valley into a tight defile before the road ends at the Loch Lyon dam. It is often called the longest enclosed glen in Scotland. The diversity of landscape along its length is striking: the lower glen is green and farmed, with the famous Fortingall Yew in its churchyard and the wide River Lyon winding through flood meadows; the middle glen tightens around Bridge of Balgie; the upper glen becomes moorland, reservoir and high deer forest.

The Munros on the north side of the glen — Stuchd an Lochain, Meall Buidhe — are rarely busy. Ben Lawers, the highest mountain in the southern Highlands, is technically accessed from the south via the A827, but the Lyon gives access to its quieter flanks. The glen road is single-track throughout and becomes very narrow beyond Bridge of Balgie — the inner glen in particular is unsuitable for anything larger than a standard car. There is no through-route: you must return the way you came, or take the single high pass road over to Killin.

The road in

Single-track with passing placesUnclassified (B846 to junction)

Single-track road etiquette

Pull into passing places to let oncoming vehicles pass. Don't park in passing places. If a faster vehicle is behind you, pull over and let them past. Do not reverse at speed — wait in a passing place.

Motorhomes — proceed with caution. The glen road is a long single-track road. Motorhomes can reach the lower glen (Fortingall end) but the inner glen narrows considerably. Do not attempt full length.

End of road

The public road ends at the Loch Lyon dam.

Parking2 spots

Fortingall car park

20 cars

Charge not published — check on site

Village with famous yew tree.

Bridge of Balgie

15 cars

Charge not published — check on site

Hills from Glen Lyon13 Munros · 4 Corbetts · 1 Grahams

See all 19 hills accessible from Glen Lyon →

Gravel cycling1 route nearby

What's in the glen

Fortingall Yew

The Fortingall Yew is often called one of the oldest trees in Europe — estimates are commonly put at around 2,000 to 3,000 years. It stands in the churchyard of the small village of Fortingall at the entrance to the glen. Female flowers were observed on one branch in 2015 — the tree is changing sex.

Meggernie Castle

Meggernie Castle stands at the mid-point of the glen — a 16th-century tower house extended into a shooting lodge. It is a private residence. The glen road passes within sight of it.

River Lyon

Our take

Glen Lyon is the Perthshire glen that most people have never heard of and almost none visit properly. The drive the full length is worth doing once: take a full day, stop at the Fortingall Yew, have lunch at the Bridge of Balgie tearoom, and drive to the dam. The inner glen has a quality of quiet that is harder and harder to find. Don't take a motorhome beyond the lower glen — the road does not forgive mistakes and there is nowhere to turn.

History

Glen Lyon is often called the longest enclosed glen in Scotland — a corridor of around 55km from near Loch Tay to the high ground above Loch Lyon. It holds a concentration of prehistoric and early-medieval remains, including ring forts and the Fortingall Yew in the churchyard at its mouth — often described as one of the oldest trees in Europe. Its age cannot be measured by tree-ring counting, because the heartwood has rotted away; estimates are commonly put at around 2,000 to 3,000 years.

The glen is the historic territory of Clan Campbell of Glenlyon and the MacGregors. The 1692 Glencoe massacre was carried out under the orders of Robert Campbell of Glenlyon — a fact still remembered locally. The hydro scheme at Loch Lyon (part of the Breadalbane scheme) transformed the upper glen, raising the loch behind a dam; Cashlie power station, in the upper glen, is part of the same scheme.

Practical

Mobile signal
Signal in the lower glen. Nothing beyond Bridge of Balgie.
Midges
Moderate(3/5)
Stalking estate
Multiple private estates along the glen
Public transport
No public transport. Private vehicle essential.
Dogs
On lead — livestock or ground-nesting birds present.

Map

Hills (green), bothies (brown), parking (blue), wild swimming (light blue), landmarks (dark red).

Loading map…

Track your Glen Lyon Munros

Log your completions and plan your next route.

Open Hill Tracker →

Nearby glens

Scotland outdoor updates

Route guides, condition reports and seasonal picks — once a month, no noise.

Unsubscribe in one click. We don't share your email.

Glen Lyon — common questions

How's the drive into Glen Lyon?
Single-track with passing places. The public road ends at the Loch Lyon dam.
Can you drive a campervan into Glen Lyon?
Possible, with care. The glen road is a long single-track road. Motorhomes can reach the lower glen (Fortingall end) but the inner glen narrows considerably. Do not attempt full length.
Will midges be a problem in Glen Lyon?
We rate Glen Lyon 3/5 for midges — significant between late May and September. Still, humid evenings are peak biting time; wind and height are your friends. Pack Smidge and a head net from May.
Is it legal to wild camp in Glen Lyon?
Yes. Under the Land Reform Act 2003 you can wild camp on most unenclosed land in Scotland, provided you follow the Scottish Outdoor Access Code — keep off enclosed farmland, camp in small groups, and leave no trace. Glen Lyon sits outside the Loch Lomond and Trossachs Camping Management Zones, so the March-September permit restrictions there don't apply here.
How do I reach Glen Lyon by public transport?
No public transport. Private vehicle essential.