# ST403 Avala - Grocka, Serbia: what it is and when to go > ST403 Avala - Grocka is a hiking trail in Serbia (Belgrade). Interests: Hiking. The best time to visit is April to June and September to October. In June there are 15 h 22 of daylight, and in December, 8 h 38. 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/serbia/st403-avala-grocka/ - Reviewed on: 2026-10-12 - Language: en ## In a nutshell - **What it is:** Hiking trail · Hiking - **Where:** Serbia - **Best time:** April to June and September to October. - **Nearest airport:** BEG Belgrade, 28 km as the crow flies - **Website:** [sultanstrail.com](https://sultanstrail.com/) - **Trail network:** International - **From:** Avala - **To:** Grocka - **Run by:** Sultans Trail Foundation - **Coordinates:** 44.69024, 20.61992 ## What it is and where ST403 Avala - Grocka is a hiking trail in Serbia (Belgrade). Stage in the Sultans Trail, a historic and cultural long-distance hiking route from Vienna to Istanbul. It is in [Belgrade](https://kokai.app/en/paises/europa/serbia/belgrado/), where this site lists 124 more places to see, 19 km from the centre. Its coordinates are 44.69024, 20.61992; the nearest main airport is Belgrade Nikola Tesla Airport (BEG, Belgrade), 28 km as the crow flies. How to get around Serbia (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/serbia/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=44.690238%2C20.619919) - [Directions](https://www.google.com/maps/dir/?api=1&destination=44.690238%2C20.619919) - **Trail network:** International - **From:** Avala - **To:** Grocka - **Run by:** Sultans Trail Foundation It is one of the [Hiking](https://kokai.app/en/paises/europa/serbia/senderismo/) places in Serbia. 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 ST403 Avala - Grocka is **April to June and September to October**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Better not | 8 h 59 | | February | Better not | 10 h 12 | | March | Possible | 11 h 38 | | April | Best time | 13 h 15 | | May | Best time | 14 h 37 | | June | Best time | 15 h 22 | | July | Possible | 15 h 04 | | August | Possible | 13 h 52 | | September | Best time | 12 h 18 | | October | Best time | 10 h 43 | | November | Possible | 9 h 19 | | December | Possible | 8 h 38 | In June there are 15 h 22 of daylight, and in December, 8 h 38. 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 Serbia in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/serbia/#cuando-ir). ## Before you go to Serbia To enter Serbia there are 8 things to sort out before you leave, starting with “Entering via Kosovo: the order matters”: they are all, with their deadlines, in [the Serbia checklist](https://kokai.app/en/paises/europa/serbia/#antes-de-salir). Currency: Serbian dinar (RSD); plugs: Type C and F · 230 V · 50 Hz (the same plug as in Spain); emergencies: 112 · 192 police · 193 fire · 194 ambulance. 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 - [Skakaonica](https://kokai.app/en/paises/europa/serbia/skakaonica/): With kids · 5.6 km - [Авала, стаза 7](https://kokai.app/en/paises/europa/serbia/7/): Hiking · 6.9 km - [Strogi prirodni rezervat „Ivanovo”](https://kokai.app/en/paises/europa/serbia/strogi-prirodni-rezervat-ivanovo/): Protected area · 7.4 km - [Авала, стаза 3](https://kokai.app/en/paises/europa/serbia/3/): Hiking · 7.6 km - [ST402 Obilazak vrha Avale](https://kokai.app/en/paises/europa/serbia/st402-obilazak-vrha-avale/): Hiking · 7.8 km Distances are as the crow flies. Everything else is in [the Serbia guide](https://kokai.app/en/paises/europa/serbia/). ## More in Serbia: Hiking - [E3 European long distance path](https://kokai.app/en/paises/europa/serbia/ruta-europea-caminar-e3/): walking path - [E8 European long distance path](https://kokai.app/en/paises/europa/serbia/european-long-distance-path-e8-part-serbia/): European long-distance hiking trail - [Mountain hut in Dojkinci](https://kokai.app/en/paises/europa/serbia/planinarski-dom-dojkinci/) - [Стаза бр. 1 ”Стругара”](https://kokai.app/en/paises/europa/serbia/1/) - [Авала, стаза 2](https://kokai.app/en/paises/europa/serbia/2/) - [3 vrha Povlena](https://kokai.app/en/paises/europa/serbia/3-vrha-povlena/) Every Serbia place under Hiking, each with its season, is on [its page](https://kokai.app/en/paises/europa/serbia/senderismo/). ## Frequently asked questions ### What is ST403 Avala - Grocka? It is a hiking trail in Serbia. ### When is the best time to visit ST403 Avala - Grocka? April to June and September to October. In June there are 15 h 22 of daylight, and in December, 8 h 38. ### How do you get to ST403 Avala - Grocka? The nearest main airport is Belgrade Nikola Tesla Airport (BEG), 28 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=44.690238%2C20.619919) opens the route on the map, and how to get around Serbia is explained in [its country guide](https://kokai.app/en/paises/europa/serbia/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Serbia 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 [Skakaonica](https://kokai.app/en/paises/europa/serbia/skakaonica/), [Авала, стаза 7](https://kokai.app/en/paises/europa/serbia/7/), [Strogi prirodni rezervat „Ivanovo”](https://kokai.app/en/paises/europa/serbia/strogi-prirodni-rezervat-ivanovo/). The rest is in [the Serbia guide](https://kokai.app/en/paises/europa/serbia/). Data from [OpenStreetMap](https://www.openstreetmap.org/relation/19877947), licensed under the ODbL. More about ST403 Avala - Grocka on [Wikipedia](https://en.wikipedia.org/wiki/Sultans_Trail). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).