Introduction

Bordoibam-Bilmukh Bird Sanctuary, situated in the Lakhimpur & Dhemaji district of Assam, is one of India’s most celebrated avian sanctuaries. Bordoibam-Bilmukh Bird Sanctuary is an oxbow riverine wetland sanctuary in Upper Assam created by the historical flooding course of the Subansiri River.

Quick Facts

Attribute Details
Sanctuary Name Bordoibam-Bilmukh Bird Sanctuary
State & District Assam (Lakhimpur & Dhemaji)
Year of Notification 1996
Total Protected Area 11.25 sq km
Rivers & Waterbodies Subansiri River and Brahmaputra oxbow wetland lake (Bordoibam Bil)
Nearest Airport Lilabari Airport North Lakhimpur (IXI) – 15 km / Dibrugarh Airport (DHR) – 85 km
Nearest Railway Station North Lakhimpur Railway Station (NLP) – 12 km
Best Time to Visit November to March

Location

Bordoibam-Bilmukh Bird Sanctuary is geographically located in the Lakhimpur & Dhemaji district of Assam. Located on the Lakhimpur-Dhemaji border along NH-15.

History and Year of Notification

The sanctuary was officially notified in 1996 under Indian wildlife conservation frameworks. Notified as a Wildlife Sanctuary by the Assam Forest Department in July 1996 to protect the wetland bird migration corridor.

Landscape, Geography and Habitat

Natural oxbow lake (Bil), floating grassy vegetation mats (Phumdis), marshland, and tropical wet evergreen forest edge.

Flora and Bird Species

Habitats over 150 bird species. Key birds include White-winged Wood Duck (State Bird of Assam), Lesser Adjutant Stork, Greater Adjutant Stork, Pintail, Common Teal, Fishing Eagle, Spot-billed Pelican, Swamp Francolin, and Black-necked Stork.

Other Wild Animals & Wildlife

Smooth-coated Otter, Fishing Cat, Ganges River Dolphin (in nearby Subansiri river), Capped Langur, Python, and Water Monitor Lizard.

Rivers and Water Bodies

The sanctuary’s ecosystem is sustained by: Subansiri River and Brahmaputra oxbow wetland lake (Bordoibam Bil).

Other Attractions Nearby

Key tourist attractions and historical sites near Bordoibam-Bilmukh Bird Sanctuary include: Subansiri River Bank (5 km), Dhemaji Town (40 km), Majuli River Island (55 km), Kakoi Reserve Forest (25 km).

Weather and Climate

Subtropical monsoon climate. Heavy monsoons (May–September), humid summers (24°C to 34°C), and cool winters (10°C to 22°C).

How to Reach (Airport & Railway Access)

  • Nearest Airport: Lilabari Airport North Lakhimpur (IXI) – 15 km / Dibrugarh Airport (DHR) – 85 km
  • Nearest Railway Station: North Lakhimpur Railway Station (NLP) – 12 km
  • Road Connectivity: Located on the Lakhimpur-Dhemaji border along NH-15.

Best Time for Birdwatching

The optimal window to explore Bordoibam-Bilmukh Bird Sanctuary is between November to March.

Accommodation

Assam Tourism Prashanti Tourist Lodge at North Lakhimpur, Forest Inspection Bungalow.. Visitors are advised to book official state government eco-tourism stays in advance.

Last Updated: August 2026