# SOB-Sitterviadukt, Switzerland: what it is and when to go > SOB-Sitterviadukt is a bridge in Haggen (AR/SG), Switzerland (Herisau). Interests: Architecture. The best time to visit is December to March and May to October. In June there are 15 h 43 of daylight, and in December, 8 h 16. It has articles in 2 Wikipedias, so it is not one of the busiest places in Switzerland: 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/suiza/sitterviadukt-sob/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Bridge in Haggen (AR/SG), Switzerland · Architecture - **Where:** Switzerland - **Best time:** December to March and May to October. - **Nearest airport:** ZRH Zurich, 59 km as the crow flies - **Coordinates:** 47.40054, 9.32495 ## What it is and where SOB-Sitterviadukt is a bridge in Haggen (AR/SG), Switzerland (Herisau). It has articles in 2 Wikipedias, so it is not one of the busiest places in Switzerland: one to enjoy at a calmer pace. Bekannte eingleisige Eisenbahnbrücke über die Sitter, die vom Voralpenexpress befahren wird. Steinbogenbrücke mit Fischbauchträger in der Mitte. Höchste Eisenbahnbrücke der Schweiz. It is in [Herisau](https://kokai.app/en/paises/europa/suiza/herisau/), where this site lists 36 more places to see, 3.7 km from the centre. Its coordinates are 47.40054, 9.32495; the nearest main airport is Zürich Airport (ZRH, Zurich), 59 km as the crow flies. How to get around Switzerland (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/suiza/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=47.400543%2C9.324949) - [Directions](https://www.google.com/maps/dir/?api=1&destination=47.400543%2C9.324949) It is one of the [Architecture](https://kokai.app/en/paises/europa/suiza/arquitectura/) places in Switzerland. 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 SOB-Sitterviadukt is **December to March and May to October**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Best time | 8 h 40 | | February | Best time | 10 h 01 | | March | Best time | 11 h 35 | | April | Possible | 13 h 23 | | May | Best time | 14 h 54 | | June | Best time | 15 h 43 | | July | Best time | 15 h 23 | | August | Best time | 14 h 04 | | September | Best time | 12 h 19 | | October | Best time | 10 h 35 | | November | Possible | 9 h 03 | | December | Best time | 8 h 16 | In June there are 15 h 43 of daylight, and in December, 8 h 16. 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 Switzerland in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/suiza/#cuando-ir). ## Before you go to Switzerland To enter Switzerland there are 7 things to sort out before you leave, starting with “Valid Spanish ID card (DNI) or passport”: they are all, with their deadlines, in [the Switzerland checklist](https://kokai.app/en/paises/europa/suiza/#antes-de-salir). Currency: Swiss franc (CHF); plugs: Type J · 230 V · 50 Hz (the European type C fits; the three-pin Schuko doesn't); emergencies: 112 · 117 police · 144 ambulance · 1414 air rescue (Rega). 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 - [SBB-Sitterviadukt](https://kokai.app/en/paises/europa/suiza/sitterviadukt-sbb/): Bridge in Bruggen – Winkeln (SG), Switzerland · 405 m - [Gübsensee](https://kokai.app/en/paises/europa/suiza/gubsensee/): Hot spring bath · 1.0 km - [Haggenbrücke](https://kokai.app/en/paises/europa/suiza/haggenbrucke/): Pedestrian and bicycle bridge between Haggen, Canton of St. Gallen and Stein, Canton of Appenzell Ausserrhoden in Switzerland · 1.1 km - [Sedel Spielparadies](https://kokai.app/en/paises/europa/suiza/sedel-spielparadies/): With kids · 2.5 km - [Badeplatz Strom](https://kokai.app/en/paises/europa/suiza/badeplatz-strom/): Hot spring bath · 2.7 km Distances are as the crow flies. Everything else is in [the Switzerland guide](https://kokai.app/en/paises/europa/suiza/). ## More in Switzerland: Architecture - [Kapellbrücke](https://kokai.app/en/paises/europa/suiza/puente-de-la-capilla/): historic wooden bridge over the Reuss River in the city of Lucerne, Switzerland - [Säntis](https://kokai.app/en/paises/europa/suiza/santis/): peak in northeastern Switzerland - [Zytglogge](https://kokai.app/en/paises/europa/suiza/torre-del-reloj/): medieval clock tower with astronomical clock and carillon in the city of Bern, Switzerland - [Uetliberg](https://kokai.app/en/paises/europa/suiza/uetliberg/): mountain in the Swiss plateau - [Three Countries Bridge](https://kokai.app/en/paises/europa/suiza/dreilanderbrucke/): bridge in France, Switzerland, and Germany - [Monte Verità](https://kokai.app/en/paises/europa/suiza/monte-verita/): colony on the hill Monescia near Ascona in Ticino, Switzerland Every Switzerland place under Architecture, each with its season, is on [its page](https://kokai.app/en/paises/europa/suiza/arquitectura/). ## Frequently asked questions ### What is SOB-Sitterviadukt? It is a bridge in Haggen (AR/SG), Switzerland. It has articles in 2 Wikipedias, so it is not one of the busiest places in Switzerland: one to enjoy at a calmer pace. ### When is the best time to visit SOB-Sitterviadukt? December to March and May to October. In June there are 15 h 43 of daylight, and in December, 8 h 16. ### How do you get to SOB-Sitterviadukt? The nearest main airport is Zürich Airport (ZRH), 59 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=47.400543%2C9.324949) opens the route on the map, and how to get around Switzerland is explained in [its country guide](https://kokai.app/en/paises/europa/suiza/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Switzerland 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 [SBB-Sitterviadukt](https://kokai.app/en/paises/europa/suiza/sitterviadukt-sbb/), [Gübsensee](https://kokai.app/en/paises/europa/suiza/gubsensee/), [Haggenbrücke](https://kokai.app/en/paises/europa/suiza/haggenbrucke/). The rest is in [the Switzerland guide](https://kokai.app/en/paises/europa/suiza/). Data from [OpenStreetMap](https://www.openstreetmap.org/relation/11978291), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q1441206), CC0. More about SOB-Sitterviadukt on [Wikipedia](https://de.wikipedia.org/wiki/Sitterviadukt_(S%C3%BCdostbahn)). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).