Kilmahew Castle
Kilmahew Castle is a castle in Argyll and Bute. Its setting is 3.2 km northwest of Dumbarton. Officially, it is a scheduled monument.
Castle near Dumbarton
Just outside Dumbarton
Kilmahew Castle is 3.2 km northwest of Dumbarton. Towns near it ↓
Scheduled monument
On the official list of protected heritage; Dumbarton has 49 listed buildings in all, on its History page. About ↓
Written from OpenStreetMap, Wikidata, NRS’s localities and Met Office 1991–2020 averages.
The best months to visit
Warm weather in Dumbarton runs June to August, with highs of 18–19°C.
Kilmahew Castle
It is managed by Roman Catholic Church. Readers can find it on Wikipedia in 4 languages. Our list has 22 more places within 15 km; first among them is Dumbarton Castle, at 6.3 km.
- Type
- Castle
- Run by
- Roman Catholic Church
- Listed
- Scheduled monument
- Wikipedias
- Covered in 4 languages
- Town
- 3.2 km northwest of Dumbarton
Visit details
Mapping Kilmahew Castle
The orange dot is Kilmahew Castle; the numbers are the places near it, as listed below.
© OpenStreetMap contributors · NRS locality 2022
Bases near Kilmahew Castle
With 21,027 people, Dumbarton is the largest of the 6. From nearest to farthest, these towns all list it.
Dumbarton
Alexandria
Bonhill
Balloch and Haldane
Compare the 6 towns
| Town | Where Kilmahew Castle is | People | Places to visit |
|---|---|---|---|
| Dumbarton | 3.2 km southeast of it | 21,027 | 8 |
| Alexandria | 3.4 km northeast of it | 6,260 | 11 |
| Bonhill | 3.8 km east of it | 8,608 | 10 |
| Balloch and Haldane | 4.1 km northeast of it | 6,000 | 7 |
| Helensburgh | 4.1 km northwest of it | 14,128 | 6 |
| Port Glasgow | 4.4 km south of it | 14,260 | 9 |
After Kilmahew Castle
Our list has 22 more within 15 km, among them 5 castles, 2 museums and a garden.
Castle · Historic Environment ScotlandDumbarton Castle6.3 km away2
Museum · National Trust for ScotlandGeilston Garden1.3 km away3
Castle · Historic Environment ScotlandNewark Castle4.8 km away4GardenGarden · National Trust for ScotlandHill House7.2 km away5CastleCastleBalloch Castle5.8 km away6
CastleArdencaple Castle8.2 km away7
MuseumMcLean Museum and Art Gallery8 km away8
CastleCastle Levan14 km awayWithin 15 km, close and well known first. Numbers match the map.
Good to know about Kilmahew Castle
Where is Kilmahew Castle?
Kilmahew Castle is 3.2 km northwest of Dumbarton, West Dunbartonshire.
What is Kilmahew Castle?
Castle in Argyll and Bute, Scotland, UK.
Who runs Kilmahew Castle?
Roman Catholic Church.
When is the best time to visit Kilmahew Castle?
June to August are the warmest months in Dumbarton, with afternoon highs of 18–19°C (Met Office 1991–2020 averages).
Is Kilmahew Castle a listed building?
Yes: scheduled monument.
What else is there to see near Kilmahew Castle?
Within 15 km: Dumbarton Castle (6.3 km), Geilston Garden (1.3 km), Newark Castle (4.8 km) and Hill House (7.2 km).
Places: OpenStreetMap (© OpenStreetMap contributors, Open Database Licence) and Wikidata (CC0), placed in the NRS 2022 locality (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 (6)
- Dumbarton Castle: Otter, CC BY 3.0, Wikimedia Commons
- Geilston Garden: Eddie Mackinnon, CC BY-SA 2.0, Wikimedia Commons
- Newark Castle: Dave souza, CC BY-SA 2.5, Wikimedia Commons
- Ardencaple Castle: Cmacauley, CC BY 3.0, Wikimedia Commons
- McLean Museum and Art Gallery: Hajotthu, CC BY-SA 3.0, Wikimedia Commons
- Castle Levan: easylocum from Gourock, United Kingdom, CC BY 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.