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Routes
Road cycling routes
United Kingdom
Scotland
Stirling
Dunblane

Loch Venachar, Loch Achray & Dukes Pass loop from Dunblane — Loch Lomond & the Trossachs National Park

Routes
Road cycling routes
United Kingdom
Scotland
Stirling
Dunblane

Loch Venachar, Loch Achray & Dukes Pass loop from Dunblane — Loch Lomond & the Trossachs National Park

Hard

4.8

(5)

304

riders

Loch Venachar, Loch Achray & Dukes Pass loop from Dunblane — Loch Lomond & the Trossachs National Park

04:06

89.2km

980m

Road cycling

This difficult 55.4-mile (89.2 km) racebike loop from Dunblane immerses you in the majestic landscapes of Loch Lomond & the Trossachs National Park. You will cycle alongside the tranquil waters of Loch Venachar and Loch Achray, enjoying views across the glens. The route features significant elevation gain, totaling 3224 feet (983 metres), and typically takes about 4 hours and 5 minutes to complete. A highlight is the challenging ascent of Duke's Pass, known for its steep gradients and sweeping bends, offering a quintessential Scottish road cycling experience.

As the most popular road cycling route originating from Dunblane, you can expect clear access from this town. This demanding route requires a very good level of fitness, so prepare accordingly for the challenging climbs. While primarily on mostly well-paved surfaces, the Duke's Pass section is often found to have a better surface when ridden north to south, allowing for a faster descent. Plan your ride to make the most of this feature and ensure a rewarding experience.

What makes this loop particularly notable is its combination of demanding climbs, rewarding descents, and breathtaking natural beauty. The Duke's Pass itself is a classic climb within the cycling community, drawing riders to its challenging slopes. The route offers an immersive experience in a region rich with history, including connections to figures like Rob Roy MacGregor and the era of Victorian tourism. It showcases the stunning landscapes of the Trossachs, an area celebrated for its beauty that has inspired poets and painters.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Loch Lomond and The Trossachs National Park

Waypoints

A

Start point

Bus stop

Get Directions

1

34.1 km

Dukes Pass Scenic Drive

Highlight (Segment) • Mountain Pass

Duke's Pass is the road through the Achray Forest from Loch Achray in the north to Aberfoyle in the south. Currently the surface is better on the Aberfoyle side so it's best to ride north to south and have a better surface for the fast descent.
Loch Achray is at about 100m and Aberfoyle is lower at about 20m. The highest point on the pass is at 238m.

Tip by

2

51.0 km

Loch Achray

Highlight • Forest

Loch Achray is a small freshwater loch between Loch Katrine and Loch Venachar. The river Achray Water feeds it and the river Black Water drains from it. Ben A'an a popular little mountain is climbed from the car park at the northern edge.
From a road cycling point of view the Duke's Pass road climbs from the western end and although the surface of the road isn't great the climb, views and loop are well worth the jarring.

Tip by

3

60.1 km

Coffee shop ideally placed at the end of Duke's Pass climb and then sweeping descent. Turn left at the bottom of the descent to find the coffee shop.
Open every day 9:30 - 17:00, sometimes reduced opening hours in the winter so please check facebook.com/LizMacGregorsCoffeeShop

Tip by

B

89.2 km

End point

Bus stop

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Way Types & Surfaces

Way Types

59.4 km

18.0 km

6.50 km

3.07 km

2.36 km

Surfaces

84.8 km

4.47 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (240 m)

Lowest point (20 m)

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Weather

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Sunday 9 August

20°C

9°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

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