Gunwalloe Cliff Castle
Gunwalloe Cliff Castle is a cliff castle. It lies 1.6 km northwest of Mullion. Around it, within 15 km, lie 23 more places, Trebah (13 km) first on our list.
Fort near Mullion
Just outside Mullion
Gunwalloe Cliff Castle is 1.6 km northwest of Mullion. Towns near it ↓
Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.
Which month to go
The warmest stretch in Mullion is June to September, at 17–19°C in the afternoon.
Gunwalloe Cliff Castle
Cliff castle in Cornwall, UK.
- Type
- Fort
- Town
- 1.6 km northwest of Mullion
Where to find Gunwalloe Cliff Castle
Each numbered point is one of the places listed below; Gunwalloe Cliff Castle is the orange one.
© OpenStreetMap contributors · ONS built-up area 2022
The nearest towns
Home to 3,118 people, Porthleven is the largest of these 3. The town it is in comes first, then the others whose pages list it, nearest first.
Mullion
Rose-in-the-bush
Porthleven
Compare the 3 towns
| Town | Where Gunwalloe Cliff Castle is | People | Places to visit |
|---|---|---|---|
| Mullion | 1.6 km southeast of it | 2,148 | 7 |
| Rose-in-the-bush | 4.4 km north of it | 228 | 10 |
| Porthleven | 4.9 km northwest of it | 3,118 | 7 |
What else is near Gunwalloe Cliff Castle
Around it, within 15 km, lie 23 more, including 2 gardens, 2 historic houses and a zoo.
Garden · National TrustGlendurgan Garden13 km away3
ZooCornish Seal Sanctuary7.7 km away4
Theme parkThe Flambards Experience6 km away5
Heritage railwayHelston Railway9.8 km away6
Historic house · National TrustGodolphin Estate13 km away7
MuseumMuseum of Cornish Life7 km away8
Historic houseTrevarno Gardens9.8 km awayWithin 15 km, close and well known first. Numbers match the map.
Good to know about Gunwalloe Cliff Castle
Where is Gunwalloe Cliff Castle?
Gunwalloe Cliff Castle is 1.6 km northwest of Mullion, Cornwall.
What is Gunwalloe Cliff Castle?
Cliff castle in Cornwall, UK.
When is the best time to visit Gunwalloe Cliff Castle?
June to September are the warmest months in Mullion, with afternoon highs of 17–19°C (Met Office 1991–2020 averages).
What else is there to see near Gunwalloe Cliff Castle?
Within 15 km: Trebah (13 km), Glendurgan Garden (13 km), Cornish Seal Sanctuary (7.7 km) and The Flambards Experience (6 km).
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).
Photo credits (7)
- Glendurgan Garden: Daderot, CC0, Wikimedia Commons
- Cornish Seal Sanctuary: MortimerCat, CC BY-SA 3.0, Wikimedia Commons
- The Flambards Experience: Lewis Clarke, CC BY-SA 2.0, Wikimedia Commons
- Helston Railway: Tim Green, CC BY 2.0, Wikimedia Commons
- Godolphin Estate: waterborough, Public domain, Wikimedia Commons
- Museum of Cornish Life: Mutney, CC0, Wikimedia Commons
- Trevarno Gardens: Jonathan Billinger, CC BY-SA 2.0, Wikimedia Commons
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.