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Poldice Valley Mining Ruins – Carnon Viaduct loop from Camborne

Routes

Bike touring routes & trails

Poldice Valley Mining Ruins – Carnon Viaduct loop from Camborne

Hard

4.9

(8)

131

riders

Poldice Valley Mining Ruins – Carnon Viaduct loop from Camborne

03:48

50.9km

510m

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: February 27, 2026

Waypoints

Start point

Train Station

Get Directions

2.59 km

Brea Tunnel

Highlight • Structure

Brea Tunnel passes under the Penzance to Paddington railway. The tunnel is unlit so take care when passing through.

Tip by

6.98 km

Carn Brea Castle

Highlight • Historical Site

There's a great network of gravel trails across Carn Brea, which are a mixture of bridleways and footpaths, so best to check before you ride.

At the top, the Carn …

Tip by

11.4 km

Just south east of Redruth, Carn Marth hill has a summit reaching 771 feet (235 m). Once heavily quarried for granite, there's a large pool near the top which can be eerie in cloud and stunning sunshine.

Tip by

16.6 km

Poldice Valley Mining Ruins

Highlight • Viewpoint

Poldice Valley is a beautiful spot with a rich mining history. A mine has existed in the valley as far back as the 16th century, extracting tin ore and copper …

Tip by

19.6 km

Point Hills Arsenic Refinery Chimney

Highlight • Historical Site

Point Hills Arsenic Refinery was run by the British Arsenic Company, which became the Cornwall Arsenic Company. The arsenic works closed at the beginning of World War Two after being …

Tip by

21.5 km

Carnon Viaduct

Highlight • Historical Site

This Old Rail & Road Bridge is an amazing part of Engineering work, people just walk, run, bike ride or horse ride under neath this strucktour & dont and notice, a great pity.

Tip by

23.8 km

Devoran Quay

Highlight • River

Devoran is the end, or start of the Cornish off road coast to coast trail which journeys from (or to!) Portreath. There is a pub, The Old Quay Inn, for …

Tip by

32.8 km

Unity Wood

Forest

41.3 km

Nance Wood

Forest

42.4 km

Portreath Harbour Entrance

Highlight • Beach

Portreath has an inner and outer harbour. The harbour was historically an important port and was one of the earliest industrial ports in Cornwall. Cornwall's first railway, the Portreath Tramroad, …

Tip by

50.9 km

End point

Train Station

Way Types & Surfaces

Way Types

22.8 km

11.9 km

6.29 km

5.17 km

4.35 km

239 m

168 m

Surfaces

15.7 km

14.9 km

12.7 km

6.95 km

553 m

Elevation

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

Highest point (220 m)

Lowest point (0 m)

Weather

Wednesday 6 May

14°C

6°C

23 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Poldice Valley Mining Ruins – Carnon Viaduct loop from Camborne

Brea Tunnel

Carn Brea Castle

Carn Marth Quarry Pool

Poldice Valley Mining Ruins

Point Hills Arsenic Refinery Chimney

Carnon Viaduct

Devoran Quay

Portreath Harbour Entrance

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