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Ipoly River

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Water temperature…
The Ipoly River, a significant left-bank tributary of the Danube, flows for 212 kilometers, originating in the Slovak Ore Mountains. For approximately 140 kilometers, it serves as the natural border between Hungary and Slovakia, winding through diverse landscapes of forests and meadows. The Ipoly Valley is recognized internationally as a protected wetland under the Ramsar Convention, providing a crucial sanctuary for rare bird species like the black stork and various herons. Historically, the river was a vital lifeline for trade and milling, though the destruction of nearly all its bridges during World War II led to decades of separation between the twin communities on its banks. In recent years, a massive infrastructure program has seen the rebuilding of many historic bridge links, revitalizing regional cooperation. The river's unregulated sections are particularly valuable to ecologists, as they preserve natural riverbed dynamics and unique gravel bars. Today, the Ipoly is a favored destination for water sports enthusiasts, particularly those seeking peaceful canoe trips through the pristine wilderness of the Danube-Ipoly National Park.
- Location: Hungary
- Top sights: Ipolyvece, NP álattartó telep · Ipolyvece, madármegfigyelő kilátó · Ipolyvece, Lengőhíd
- Nearby: Nagymaros (31 km)
Best time to visit & climate
The most pleasant time to visit is Jun–Aug.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | -2 | 0 | 5 | 11 | 16 | 20 | 22 | 22 | 16 | 10 | 5 | -1 |
| Rain mm | 44 | 42 | 42 | 37 | 69 | 71 | 74 | 65 | 55 | 52 | 48 | 46 |
📋 Practical info
Geography
Facts
- The total length of the Ipoly River is 212 kilometers.
- It marks the Hungarian-Slovak border for 140 kilometers.
- Its source is in the Vepor Mountains at an elevation of 1,058 m.
- The Ipoly Valley has been a protected Ramsar site since 2001.
- More than 40 different fish species have been recorded in the river.
- Over 5 new bridges have been rebuilt across the river in the last 15 years.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
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Sights in the town Ipoly River (3)
Sights nearby
Frequently asked questions
What role does the Ipoly play as a border river?
Can you go canoeing on the Ipoly?
Are there bridges over the river?
What animal species live in the Ipoly Valley?
Are there flood risks?
Ipoly River: where is it located?
Ipoly River: what is there to see?
Ipoly River: when is the best time to visit?
Ipoly River: why is it worth visiting?
























