Which is harder, E4: Lepenski Vir – Derdap or ST401 Belgrade - Avala?

E4: Lepenski Vir – Derdap is the tougher of the two on distance and elevation (70 mi (112 km), 9,170 ft (2,795 m) of climbing). See the full side-by-side breakdown.

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E4: Lepenski Vir – Derdap vs ST401 Belgrade - Avala

A side-by-side look at distance, elevation, difficulty and the best time to hike each — so you can pick the right route.

Units

	E4: Lepenski Vir – Derdap	ST401 Belgrade - Avala
Distance	70 mi112 km	12.0 mi20 km
Elevation gain	9,170 ft2,795 m	1,388 ft423 m
Typical duration	5 days	1 day
Difficulty	—	Expert
Route type	Point-to-point	Point-to-point
Network	International	International
Country	Serbia	Serbia
Best time to hike	Best months: April, June	Best months: February, April, October
	map Route & GPX	map Route & GPX

E4: Lepenski Vir – Derdap vs ST401 Belgrade - Avala: which should you hike?

At 70 mi112 km, E4: Lepenski Vir – Derdap is the longer route — roughly 57 mi92 km more than ST401 Belgrade - Avala (12.0 mi20 km). If you want the bigger challenge or a longer trip, that's the one; for a shorter or first multi-day hike, ST401 Belgrade - Avala is the gentler pick. Check the elevation and best-season rows above, then open each route for the full guide and a free GPX download.

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