# Castell Dinas, United Kingdom: what it is and when to go > Castell Dinas is a castle in Powys in United Kingdom (Hay-in-Wye), at 450 m above sea level. Interests: Nature, Mountains and History. The best time to visit is April to September. In June there are 16 h 27 of daylight, and in December, 7 h 32. It has articles in 5 Wikipedias, so it is not one of the busiest places in United Kingdom: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/europa/reino-unido/castell-dinas/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Castle in Powys · Nature, Mountains, History - **Where:** United Kingdom - **Elevation:** 450 m - **Best time:** April to September. - **Nearest airport:** BRS Bristol, 73 km as the crow flies - **Coordinates:** 51.96321, -3.19663 ## What it is and where Castell Dinas is a castle in Powys in United Kingdom (Hay-in-Wye), at 450 m above sea level. It has articles in 5 Wikipedias, so it is not one of the busiest places in United Kingdom: one to enjoy at a calmer pace. It is in [Hay-in-Wye](https://kokai.app/en/paises/europa/reino-unido/hay-in-wye/), where this site lists 52 more places to see, 14 km from the centre. Its coordinates are 51.96321, -3.19663; the nearest main airport is Bristol Airport (BRS, Bristol), 73 km as the crow flies. How to get around United Kingdom (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/reino-unido/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=51.963208%2C-3.196632) - [Directions](https://www.google.com/maps/dir/?api=1&destination=51.963208%2C-3.196632) It is one of the [Nature](https://kokai.app/en/paises/europa/reino-unido/naturaleza/), [Mountains](https://kokai.app/en/paises/europa/reino-unido/montana/) and [History](https://kokai.app/en/paises/europa/reino-unido/historia/) places in United Kingdom. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go The best time to visit Castell Dinas is **April to September**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Better not | 8 h 01 | | February | Possible | 9 h 39 | | March | Possible | 11 h 31 | | April | Best time | 13 h 38 | | May | Best time | 15 h 26 | | June | Best time | 16 h 27 | | July | Best time | 16 h 02 | | August | Best time | 14 h 26 | | September | Best time | 12 h 23 | | October | Possible | 10 h 20 | | November | Better not | 8 h 29 | | December | Possible | 7 h 32 | In June there are 16 h 27 of daylight, and in December, 7 h 32. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. | What you come for | Best time | Possible | | --- | --- | --- | | Nature | April to September | February to March, October and December | | Mountains | April to September | February to March, October and December | | History | April to September | February to March, October and December | It is not the same trip whatever you come for: Castell Dinas has a different season depending on what you want to do here, and [Kokai](https://kokai.app/en/) puts it in the right month for you. When to go to United Kingdom in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/reino-unido/#cuando-ir). ## Before you go to United Kingdom To enter United Kingdom there are 7 things to sort out before you leave, starting with “A valid passport (the ID card is no longer accepted)”: they are all, with their deadlines, in [the United Kingdom checklist](https://kokai.app/en/paises/europa/reino-unido/#antes-de-salir). Currency: Pound sterling (GBP); plugs: Type G · 230 V · 50 Hz (three flat pins: adapter essential); emergencies: 999 (112 also works). In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [Mynydd Troed](https://kokai.app/en/paises/europa/reino-unido/mynydd-troed/): Hill (609m) in Powys · 1.6 km - [Pwll y Wrach Nature Reserve](https://kokai.app/en/paises/europa/reino-unido/pwll-y-wrach-nature-reserve/): Protected area · 2.9 km - [Penywyrlod Chambered Tomb](https://kokai.app/en/paises/europa/reino-unido/penywyrlod-chambered-tomb/): Chambered cairn in Talgarth, Powys, Wales · 3.2 km - [Mynydd Llysiau](https://kokai.app/en/paises/europa/reino-unido/mynydd-llysiau/): Mountain (663m) in Powys · 3.5 km - [Waun Fach](https://kokai.app/en/paises/europa/reino-unido/waun-fach/): Mountain (811m) in Powys · 3.7 km Distances are as the crow flies. Everything else is in [the United Kingdom guide](https://kokai.app/en/paises/europa/reino-unido/). ## More in United Kingdom: Nature - [Ben Nevis](https://kokai.app/en/paises/europa/reino-unido/ben-nevis/): highest mountain of Great Britain - [Bristol Channel](https://kokai.app/en/paises/europa/reino-unido/canal-de-bristol/): major inlet in the island of Great Britain - [Hyde Park, London](https://kokai.app/en/paises/europa/reino-unido/hyde-park/): Royal Park in London, England, UK - [Firth of Forth](https://kokai.app/en/paises/europa/reino-unido/fiordo-de-forth/): estuary of Scotland's River Forth - [Lake District](https://kokai.app/en/paises/europa/reino-unido/the-english-lake-district/): mountainous region in North West England, UK - [Forth Bridge](https://kokai.app/en/paises/europa/reino-unido/the-forth-bridge-whs/): railway bridge in eastern Scotland Every United Kingdom place under Nature, each with its season, is on [its page](https://kokai.app/en/paises/europa/reino-unido/naturaleza/). ## Frequently asked questions ### What is Castell Dinas? It is a castle in Powys in United Kingdom. It has articles in 5 Wikipedias, so it is not one of the busiest places in United Kingdom: one to enjoy at a calmer pace. ### When is the best time to visit Castell Dinas? April to September. In June there are 16 h 27 of daylight, and in December, 7 h 32. ### How do you get to Castell Dinas? The nearest main airport is Bristol Airport (BRS), 73 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=51.963208%2C-3.196632) opens the route on the map, and how to get around United Kingdom is explained in [its country guide](https://kokai.app/en/paises/europa/reino-unido/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the United Kingdom map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [Mynydd Troed](https://kokai.app/en/paises/europa/reino-unido/mynydd-troed/), [Pwll y Wrach Nature Reserve](https://kokai.app/en/paises/europa/reino-unido/pwll-y-wrach-nature-reserve/), [Penywyrlod Chambered Tomb](https://kokai.app/en/paises/europa/reino-unido/penywyrlod-chambered-tomb/). The rest is in [the United Kingdom guide](https://kokai.app/en/paises/europa/reino-unido/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/299513064), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q5049671), CC0. More about Castell Dinas on [Wikipedia](https://en.wikipedia.org/wiki/Castell_Dinas). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).