Trewithen House
Grade I listed country house in Probus, Cornwall, England, UK.
Each edition grades its towns against each other only.

None of our places to visit is inside Grampound Road’s built-up area; 3 are within 5 km of its edge. They include a historic house, an attraction and a museum. For a full day, there is Eden Project, 14 km away.
After Trewithen House come an attraction and a museum.
Historic houseTrewithen House2.4 km outside town, to the southAttractionAttractionBike Park Kernow1.1 km outside town, to the eastMuseumMuseumHeritage Centre2.5 km outside town, to the southeastEach has a page of its own: what it is, who runs it, the weather month by month and what else is near it.
Trewithen House, 3.2 km away, is the farthest on the map.
The dashed line is Grampound Road’s built-up area; orange marks its middle (where most people live). Numbers match the list below. © OpenStreetMap contributors · ONS built-up area 2022
Between them they are a historic house, an attraction and a museum.
Green: inside Grampound Road. Grey: within 5 km of its edge.
Its 3 places all lie within 5 km of its edge.
Close and well known first. Churches and listed buildings are on the History page, not here.
1 listed building is on Grampound Road’s History page → · Parks, footpaths and green space in Grampound Road →
Of the 12 day trips, Eden Project (14 km) is the best known.
GardenEden Project14 km east
CathedralTruro Cathedral11 km southwestGardenGardenThe Lost Gardens of Heligan9.4 km southeast
Castle · English HeritagePendennis Castle21 km southwest
Castle · English HeritageRestormel Castle22 km northeast
Castle · English HeritageSt Mawes Castle19 km south
Historic house · National TrustTrerice11 km northwest
MuseumRoyal Cornwall Museum11 km southwestGardenGarden · National TrustTrelissick Garden14 km southwest
Castle · English HeritageSt Catherine's Castle20 km east
CastleCaerhays Castle11 km southeast
CastleCarn Brea Castle25 km southwestPlaces well known beyond Grampound Road (Wikipedia articles in several languages, published visitor counts, or a National Trust, English Heritage or Cadw property), close and famous first. Distances are straight lines from the middle of the town.
No attraction is mapped inside Grampound Road itself. Within 5 km of it are Trewithen House, Bike Park Kernow and Heritage Centre.
1 museum or gallery is in or within 5 km of Grampound Road: Heritage Centre.
None within 5 km. The nearest well-known one on our list is Pendennis Castle (English Heritage), 21 km southwest.
Within 40 km: Eden Project (14 km), Truro Cathedral (11 km), The Lost Gardens of Heligan (9.4 km), Pendennis Castle (21 km).
Grampound Road has 1 listed buildings. They are on its History page, from Historic England’s list, not repeated here.
From OpenStreetMap (museums, galleries, zoos, theme parks and attractions, castles, forts and abbeys, and historic houses and gardens that are open to visitors) and Wikidata (what each place is, who runs it, its website and visitor counts). A place counts for Grampound Road when it is inside the ONS 2022 built-up area, and as nearby within 5 km of its edge. Opening times and prices are not shown: check the official site.
Places: OpenStreetMap (© OpenStreetMap contributors, Open Database Licence) and Wikidata (CC0), placed in the ONS 2022 built-up area (Open Government Licence v3.0). Visitor counts are the latest Wikidata gives, with their year.
Photos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.