Colliford Lake – Siblyback Dam loop from Warleggan

Bike touring routes & trails

Colliford Lake – Siblyback Dam loop from Warleggan

Hard

4.7

(20)

riders

Colliford Lake – Siblyback Dam loop from Warleggan

03:39

56.0km

590m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: July 30, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Cornwall National Landscape

Waypoints

Start point

Bus stop

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6.66 km

Colliford Lake

Highlight • Viewpoint

Colliford is the largest lake in Cornwall and the road passing by it provides superb views.

There are plentiful picnic spots alongside the lake, but watch out for ponies roaming …

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7.23 km

View of Colliford Lake

Highlight • Viewpoint

Can be windy

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10.2 km

View of Brown Willy from Colliford Lake

Highlight • Viewpoint

Brown Willy (Bronn Wennili) meaning 'Hill of Swallows', the highest hill in Cornwall! Enjoy great views of it from across the water here at Colliford Lake.

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16.4 km

King Doniert's Stone - a decorated granite base for a Celtic Memorial cross that dates to the late 9th Century. It is thought to have been built to commemorate Doniert, the last recorded king of Cornwall.

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26.5 km

Siblyback Dam

Highlight • Lake

The dam was built in 1968 to create this reservoir which provides drinking water and tops up the water levels of the River Fowey during the dry months. Once a …

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27.2 km

Siblyback Lake

Lake

28.6 km

Sibleyback Reservoir Circular Trail

Highlight • Forest

Enjoy this traffic-free gravel track around Sibleyback Reservoir that's designed with pedestrians and cyclists in mind.

The 3 mile (5 km) trail is also suitable for adaptive cycles, wheelchairs and …

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