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Big loop Penn

Big loop Penn

Sam Jeans planned a gravel ride

September 5, 2026

Big loop Penn

Hard

05:30

71.9km

13.1km/h

610m

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Overview

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Cycling is not permitted along parts of this route

After 8.63 km for 3.96 km

After 12.8 km for 57 m

After 12.9 km for 3.53 km

After 17.3 km for 2.46 km

After 62.0 km for 75 m

After 63.3 km for 156 m

Waypoints

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14.1 km

View of the River Thames at Cookham

Highlight (Segment) • Viewpoint

Author Kenneth Grahame lived in nearby Cookham Dean as a child and returned to the village in later life, writing 'The Wind in the Willows' in 1908. The stories are …

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Boulters Lock

Highlight • Structure

Boulter's Lock is a lock and weir situated on the River Thames near Maidenhead. The lock was built in 1912 and features some very picturesque surroundings of canalboats, an old bridge, and some lush greenery.

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Jubilee River Weir

Highlight • River

The Jubilee River is really a flood relief scheme that has several miles of grit cycleways along it. It’s tranquil and a wildlife haven, a really beautiful escape from the …

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