# Pen Llyn Hiraethlyn, United Kingdom: what it is and when to go > Pen Llyn Hiraethlyn is a hill (369m) in Gwynedd in United Kingdom (Blaenau Ffestiniog), at 369 m above sea level. Interests: Nature and Mountains. The best time to visit is April to September. In June there are 16 h 38 of daylight, and in December, 7 h 22. 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/pen-llyn-hiraethlyn/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Hill (369m) in Gwynedd · Nature, Mountains - **Where:** United Kingdom - **Elevation:** 369 m - **Best time:** April to September. - **Nearest airport:** MAN Manchester, Greater Manchester, 117 km as the crow flies - **Coordinates:** 52.92014, -3.87723 ## What it is and where Pen Llyn Hiraethlyn is a hill (369m) in Gwynedd in United Kingdom (Blaenau Ffestiniog), at 369 m above sea level. It is in [Blaenau Ffestiniog](https://kokai.app/en/paises/europa/reino-unido/blaenau-ffestiniog/), where this site lists 130 more places to see, 10 km from the centre. Its coordinates are 52.92014, -3.87723; the nearest main airport is Manchester Airport (MAN, Manchester, Greater Manchester), 117 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=52.920145%2C-3.877229) - [Directions](https://www.google.com/maps/dir/?api=1&destination=52.920145%2C-3.877229) It is one of the [Nature](https://kokai.app/en/paises/europa/reino-unido/naturaleza/) and [Mountains](https://kokai.app/en/paises/europa/reino-unido/montana/) 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 Pen Llyn Hiraethlyn is **April to September**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Better not | 7 h 52 | | February | Possible | 9 h 34 | | March | Possible | 11 h 30 | | April | Best time | 13 h 41 | | May | Best time | 15 h 34 | | June | Best time | 16 h 38 | | July | Best time | 16 h 11 | | August | Best time | 14 h 31 | | September | Best time | 12 h 23 | | October | Possible | 10 h 17 | | November | Better not | 8 h 21 | | December | Possible | 7 h 22 | In June there are 16 h 38 of daylight, and in December, 7 h 22. 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 | It is not the same trip whatever you come for: Pen Llyn Hiraethlyn 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 - [Pen Dolbelydr](https://kokai.app/en/paises/europa/reino-unido/pen-dolbelydr/): Hill (356m) in Gwynedd · 1.1 km - [Moel y Croesau](https://kokai.app/en/paises/europa/reino-unido/moel-y-croesau/): Hill (490m) in Gwynedd · 1.2 km - [Y Garn South Top](https://kokai.app/en/paises/europa/reino-unido/y-garn-south-top/): Hill (474.2m) in Gwynedd · 2.0 km - [Foel Cynfal](https://kokai.app/en/paises/europa/reino-unido/foel-cynfal/): Hill (545m) in Gwynedd · 2.3 km - [Foel Fawr](https://kokai.app/en/paises/europa/reino-unido/foel-fawr/): Hill (528m) in Gwynedd · 2.3 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 Pen Llyn Hiraethlyn? It is a hill (369m) in Gwynedd in United Kingdom. ### When is the best time to visit Pen Llyn Hiraethlyn? April to September. In June there are 16 h 38 of daylight, and in December, 7 h 22. ### How do you get to Pen Llyn Hiraethlyn? The nearest main airport is Manchester Airport (MAN), 117 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=52.920145%2C-3.877229) 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 [Pen Dolbelydr](https://kokai.app/en/paises/europa/reino-unido/pen-dolbelydr/), [Moel y Croesau](https://kokai.app/en/paises/europa/reino-unido/moel-y-croesau/), [Y Garn South Top](https://kokai.app/en/paises/europa/reino-unido/y-garn-south-top/). The rest is in [the United Kingdom guide](https://kokai.app/en/paises/europa/reino-unido/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/3755232231), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q106709888), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).