Treffry Viaduct & St Blazey loop from Luxulyan
Treffry Viaduct & St Blazey loop from Luxulyan
4.3
(13)
38
hikers
03:14
11.8km
190m
Hiking
Hike the moderate 7.3-mile Treffry Viaduct & St Blazey loop through Luxulyan Valley, exploring industrial heritage and wooded scenery.
Last updated: February 26, 2026
Waypoints
Start point
Train Station
Get Directions
1.71 km
Highlight • Historical Site
Tip by
2.81 km
Highlight • Viewpoint
Tip by
11.1 km
Highlight • Natural Monument
Tip by
11.8 km
End point
Train Station
Way Types & Surfaces
Way Types
3.12 km
2.91 km
2.66 km
1.46 km
1.16 km
441 m
Surfaces
5.73 km
3.14 km
1.25 km
1.18 km
465 m
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Elevation
Highest point (120 m)
Lowest point (10 m)
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Weather
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Wednesday 8 July
23°C
13°C
0 %
Additional weather tips
Max wind speed: 19.0 km/h
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This route was planned by komoot.
The trail typically starts from Luxulyan. Parking is available in the village, often near the church or community hall, providing convenient access to the trailhead. Always check local signage for any parking restrictions.
This route is rated as moderate. It requires a good level of fitness due to its length and some moderate ascents. The path includes a few short climbs, such as one near the start to reach the viaduct path and another approaching Trethevy Wood.
The terrain primarily follows woodland paths and historic tramways. You can expect some moderate inclines, and the paths can sometimes be muddy, especially after rain. It's a mix of natural beauty and remnants of industrial heritage.
The hike is approximately 7.3 miles (11.8 km) long and generally takes around 3 hours and 15 minutes to complete, depending on your pace and how often you stop to explore.
The trail is rich in both natural beauty and industrial history. Key highlights include the impressive Treffry Viaduct, the ruins of the Carmears Waterwheel, and the tranquil St. Cyor's Holy Well. You'll also encounter remnants of old tramroads and the substantial granite structure of the Carmears Wheel Pit.
Yes, the trail is generally dog-friendly. However, as it passes through woodland and potentially near livestock, it's advisable to keep dogs on a lead, especially in certain sections, and always clean up after them.
The trail is beautiful year-round. Autumn is particularly charming when the broadleaf woodland turns golden. Spring offers fresh greenery and wildflowers. Be aware that paths can be muddy after rain, so appropriate footwear is recommended regardless of the season.
No, there are no specific permits or entrance fees required to hike this trail. The Luxulyan Valley is part of the Cornwall and West Devon Mining Landscape World Heritage Site, which is freely accessible to the public.
Yes, the route incorporates sections of several other paths, including the Saints Way, the National Cycle Network Route 2 Plymouth to St. Austell, and the Velvet Path. You'll also walk along parts of the Higher Tramway and the Carmears Inclined Plane.
While the trail itself is quite rural, you can find facilities in nearby villages such as Luxulyan and St Blazey. It's a good idea to check opening times in advance, especially if you plan to visit a specific establishment after your hike.
The Treffry Viaduct is a remarkable piece of industrial heritage. Built between 1839 and 1842, it was the first stone viaduct in Cornwall and uniquely served as both a tramway and an aqueduct. It's a Scheduled Ancient Monument and a key part of the Cornish Mining World Heritage site, offering spectacular views from its top.
Comments
We ended up taking a detour of over 5 km and had to go back to the viaduct at the end.
Why?
At kilometre 7.67, we would have had to cross a field.
But the field was ‘blocked off’, as you can easily see in the photo.
The vegetation here is lush and almost jungle-like. And in the middle of it all is ingenious engineering from the 19th century.
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