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The Gandak Barrage across the river at Valmikinagar on the India–Nepal border

Photo: Saddam19 / Wikimedia Commons, CC BY-SA 4.0

Valmikinagar & Gandak Barrage

📍 West Champaran, North Bihar, Bihar

Why visit

A scenic riverside town at Bihar's northern tip on the India–Nepal border, where the Gandak (Narayani) enters India. The Gandak Barrage, a major India–Nepal irrigation and power project, spans the river beside forested hills and the Triveni confluence. Gateway to the Valmiki Tiger Reserve, it blends nature, pilgrimage and cross-border scenery.

About

Valmikinagar (historically Bhainsalotan) lies in the northernmost part of West Champaran district, on the India–Nepal border, about 100 km from Bettiah. It is a picturesque town where the Gandak (Narayani) river flows down from Nepal into the plains of Bihar.

Its centrepiece is the Gandak Barrage, built under the India–Nepal Gandak Irrigation and Power Project (agreement signed 1959) to harness the river for irrigation and hydropower. Nearby, the sacred Triveni confluence — where the Gandak meets the Sonha and Pachnad streams — straddles the border, with one bank in Nepal and the other in India.

Valmikinagar is also the main gateway to the Valmiki Tiger Reserve, so visitors often combine the barrage, riverside views and Triveni with jungle safaris. The blend of flowing water, wooded hills and border landscape makes it one of North Bihar's most atmospheric spots.

How to reach

  • By Air: Gorakhpur Airport (Uttar Pradesh, 120 km) and Patna Airport (280 km) are the nearest.
  • By Rail: Valmikinagar Road and Bagaha are the closest railway stations; Narkatiaganj and Bettiah are larger railheads.
  • By Road: Valmikinagar is reached by road from Bagaha (~40 km) and Bettiah; buses and taxis operate from these towns.

Best time to visit

October to March, when the weather is pleasant and river and forest views are at their best. Combine with a Valmiki Tiger Reserve safari.

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