# Thrihnukagigur, Iceland: what it is and when to go > Thrihnukagigur is a volcano in Iceland (Þríhnúkagígur) (Reykjavík), at 540 m above sea level. Interests: Nature. The best time to visit is May to October. In June there are 20 h 16 of daylight, and in December, 3 h 43. It has articles in 7 Wikipedias, so it is not one of the busiest places in Iceland: 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/islandia/thrihnukagigur/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Volcano in Iceland · Nature - **Local name:** Þríhnúkagígur - **Where:** Iceland - **Elevation:** 540 m - **Best time:** May to October. - **Nearest airport:** KEF Reykjavík, 44 km as the crow flies - **Website:** [insidethevolcano.com](https://insidethevolcano.com/) - **Coordinates:** 63.99844, -21.69893 ## What it is and where Thrihnukagigur is a volcano in Iceland (Þríhnúkagígur) (Reykjavík), at 540 m above sea level. It has articles in 7 Wikipedias, so it is not one of the busiest places in Iceland: one to enjoy at a calmer pace. It is in [Reykjavík](https://kokai.app/en/paises/europa/islandia/reikiavik/), where this site lists 100 more places to see, 21 km from the centre. Its coordinates are 63.99844, -21.69893; the nearest main airport is Keflavik International Airport (KEF, Reykjavík), 44 km as the crow flies. How to get around Iceland (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/islandia/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=63.998444%2C-21.698927) - [Directions](https://www.google.com/maps/dir/?api=1&destination=63.998444%2C-21.698927) It is one of the [Nature](https://kokai.app/en/paises/europa/islandia/naturaleza/) places in Iceland. 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 Thrihnukagigur is **May to October**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 4 h 57 | | February | Possible | 8 h 08 | | March | Possible | 11 h 14 | | April | Possible | 14 h 39 | | May | Best time | 17 h 54 | | June | Best time | 20 h 16 | | July | Best time | 19 h 11 | | August | Best time | 16 h 01 | | September | Best time | 12 h 36 | | October | Best time | 9 h 18 | | November | Possible | 5 h 57 | | December | Possible | 3 h 43 | In June there are 20 h 16 of daylight, and in December, 3 h 43. 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. When to go to Iceland in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/islandia/#cuando-ir). ## Before you go to Iceland To enter Iceland there are 8 things to sort out before you leave, starting with “Valid ID card (DNI) or passport”: they are all, with their deadlines, in [the Iceland checklist](https://kokai.app/en/paises/europa/islandia/#antes-de-salir). Currency: Icelandic króna (ISK); plugs: Type C and F · 230 V · 50 Hz (the same as in Spain); emergencies: 112. 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 - [Base Camp](https://kokai.app/en/paises/europa/islandia/base-camp/): Mountains · Hiking · 88 m - [Þríhnúkar](https://kokai.app/en/paises/europa/islandia/thrihnukar/): Mountain in Iceland · 324 m - [Húsfell](https://kokai.app/en/paises/europa/islandia/husfell/): Hill in Iceland · 5.8 km - [Fjallið eina](https://kokai.app/en/paises/europa/islandia/fjallid-eina/): Mountain in Iceland · 6.8 km - [Norðmannahringur](https://kokai.app/en/paises/europa/islandia/nordmannahringur/): Hiking · 7.8 km Distances are as the crow flies. Everything else is in [the Iceland guide](https://kokai.app/en/paises/europa/islandia/). ## More in Iceland: Nature - [Hekla](https://kokai.app/en/paises/europa/islandia/hekla/): stratovolcano in southern Iceland - [Surtsey](https://kokai.app/en/paises/europa/islandia/surtsey/): volcanic island located in the Vestmannaeyjar archipelago off the southern coast of Iceland - [Vatnajökull](https://kokai.app/en/paises/europa/islandia/vatnajokull/): largest and most voluminous Icelandic glacier - [Þingvellir](https://kokai.app/en/paises/europa/islandia/thingvellir-national-park/): national park in Iceland - [Laki](https://kokai.app/en/paises/europa/islandia/laki/): volcanic fissure in the south of Iceland - [Grímsvötn](https://kokai.app/en/paises/europa/islandia/grimsvotn/): volcano in Iceland Every Iceland place under Nature, each with its season, is on [its page](https://kokai.app/en/paises/europa/islandia/naturaleza/). ## Frequently asked questions ### What is Thrihnukagigur? It is a volcano in Iceland (Þríhnúkagígur in the local language). It has articles in 7 Wikipedias, so it is not one of the busiest places in Iceland: one to enjoy at a calmer pace. ### When is the best time to visit Thrihnukagigur? May to October. In June there are 20 h 16 of daylight, and in December, 3 h 43. ### How do you get to Thrihnukagigur? The nearest main airport is Keflavik International Airport (KEF), 44 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=63.998444%2C-21.698927) opens the route on the map, and how to get around Iceland is explained in [its country guide](https://kokai.app/en/paises/europa/islandia/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Iceland 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 [Base Camp](https://kokai.app/en/paises/europa/islandia/base-camp/), [Þríhnúkar](https://kokai.app/en/paises/europa/islandia/thrihnukar/), [Húsfell](https://kokai.app/en/paises/europa/islandia/husfell/). The rest is in [the Iceland guide](https://kokai.app/en/paises/europa/islandia/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/1900845723), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q335699), CC0. More about Thrihnukagigur on [Wikipedia](https://en.wikipedia.org/wiki/Thrihnukagigur). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).