# E4: Belgrade (Krnjača) – Osipaonica, Serbia: what it is and when to go

> E4: Belgrade (Krnjača) – Osipaonica is a hiking trail (E4: Beograd (Krnjača) – Osipaonica) 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/e4-belgrade-krnjaca-osipaonica/
- Reviewed on: 2026-10-12
- Language: en

## In a nutshell

- **What it is:** Hiking trail · Hiking
- **Local name:** E4: Beograd (Krnjača) – Osipaonica
- **Where:** Serbia
- **Best time:** April to June and September to October.
- **Nearest airport:** BEG Belgrade, 38 km as the crow flies
- **Website:** [pss.rs](https://pss.rs/terenipp/e4-5/)
- **Trail network:** International
- **Distance:** 145.1 km
- **Elevation gain:** +2085 m
- **From:** Крњача (Београд)
- **To:** Осипаоница
- **Run by:** Avala PD, Extreme summit team PK, Kopaonik PSD, Pobeda PSK, PTT POSK
- **Coordinates:** 44.68155, 20.75345

## What it is and where

E4: Belgrade (Krnjača) – Osipaonica is a hiking trail (E4: Beograd (Krnjača) – Osipaonica) in Serbia (Belgrade).

It is in [Belgrade](https://kokai.app/en/paises/europa/serbia/belgrado/), where this site lists 124 more places to see, 27 km from the centre.

Its coordinates are 44.68155, 20.75345; the nearest main airport is Belgrade Nikola Tesla Airport (BEG, Belgrade), 38 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=44.681545%2C20.753446)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=44.681545%2C20.753446)

- **Trail network:** International
- **Distance:** 145.1 km
- **Elevation gain:** +2085 m
- **From:** Крњача (Београд)
- **To:** Осипаоница
- **Run by:** Avala PD, Extreme summit team PK, Kopaonik PSD, Pobeda PSK, PTT POSK

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 E4: Belgrade (Krnjača) – Osipaonica 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 03 |
| 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

- [Dubočaj](https://kokai.app/en/paises/europa/serbia/dubocaj/): Archaeological site in Grocka, Serbia · 3.1 km
- [Roman tomb, Brestovik](https://kokai.app/en/paises/europa/serbia/rimska-grobnica-u-brestoviku/): Nature · History · 4.2 km
- [Beli Breg](https://kokai.app/en/paises/europa/serbia/beli-breg/): Archaeological site in Serbia · 4.4 km
- [Goli Breg](https://kokai.app/en/paises/europa/serbia/goli-breg/): Archaeological site in Serbia · 4.9 km
- [ST404 Grocka - Smederevo](https://kokai.app/en/paises/europa/serbia/st404-grocka-smederevo/): Hiking · 7.1 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/)
- [Авала, стаза 3](https://kokai.app/en/paises/europa/serbia/3/)

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 E4: Belgrade (Krnjača) – Osipaonica?

It is a hiking trail (E4: Beograd (Krnjača) – Osipaonica in the local language) in Serbia.

### When is the best time to visit E4: Belgrade (Krnjača) – Osipaonica?

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 E4: Belgrade (Krnjača) – Osipaonica?

The nearest main airport is Belgrade Nikola Tesla Airport (BEG), 38 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=44.681545%2C20.753446) 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 [Dubočaj](https://kokai.app/en/paises/europa/serbia/dubocaj/), [Roman tomb, Brestovik](https://kokai.app/en/paises/europa/serbia/rimska-grobnica-u-brestoviku/), [Beli Breg](https://kokai.app/en/paises/europa/serbia/beli-breg/). The rest is in [the Serbia guide](https://kokai.app/en/paises/europa/serbia/).

Data from [OpenStreetMap](https://www.openstreetmap.org/relation/18981432), licensed under the ODbL. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).