The Sundarbans Nature Reserve

Vast mangrove forest and tiger habitat in Bangladesh

The Sundarbans mangrove forest in southwestern Bangladesh comprises tidal waterways, mangrove stands and wildlife including Bengal tigers; visitors take boat safaris for birdwatching, fishing villages and guided park tours.

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The Sundarbans at a Glance#

Address: Sundarbans, Khulna Division, Bangladesh

Website: http://www.bforest.gov.bd/site/page/6f3b4f28-1a70-11e7-8f57-286ed488c766

About The Sundarbans#

The Sundarbans is a vast mangrove forest and delta region in southwestern Bangladesh, forming part of the larger Ganges-Brahmaputra-Meghna delta. It is internationally significant for its size, biodiversity and role as a coastal buffer.

Key attractions include extensive tidal channels, mangrove-lined islands, and wildlife such as the Bengal tiger, estuarine crocodiles and diverse birdlife. Visitor activities focus on guided boat safaris, birdwatching and visits to ranger stations and interpretation centres.

The Sundarbans formed over millennia by sediment deposition from major rivers and have been used by local communities for fishing, honey collection and limited agriculture; conservation and management efforts have increased in recent decades to balance livelihoods and biodiversity protection.

Geographically the Sundarbans stretch along the Bay of Bengal in southwestern Bangladesh, within Khulna Division, and border India’s Sundarbans reserves. Access for visitors is typically from the port and city of Khulna and nearby riverine launch points.

  • UNESCO status and wildlife: Designated a UNESCO World Heritage site in 1997, the Sundarbans form the largest contiguous mangrove forest in the world and are a crucial habitat for the Bengal tiger.
  • Access and best time to visit: Tidal waterways and dense mangrove make travel possible mainly by boat; the best months for visits are generally November to April when tides and weather are more predictable.

What to See#

  • Sajnekhali: Sajnekhali is a wildlife and visitor centre with a watchtower and museum facilities that serves as a common starting point for wildlife boat safaris and birdwatching excursions.
  • Karamjal (forest station): Karamjal is a forest station and boat-landing area used by visitors entering the Sundarbans from the Bangladesh side and provides access to core mangrove zones and ranger checkpoints.

How to Get to The Sundarbans#

The Bangladesh Sundarbans are commonly accessed from Khulna (road/boat) or Mongla port; most organised tours depart Khulna with road transfers to launch points (around 2-3 hours), followed by multi-day boat trips into the forest. Local permits and coordination with the Bangladesh Forest Department are required for entry into core zones.

Tips for Visiting The Sundarbans#

  • Arrange boat transport from Mongla or Khulna early in the morning to maximise wildlife sightings when tides and light are favourable.
  • Hire boats with experienced local guides who understand tidal patterns and the narrow channels; they also know where tiger tracks have recently been seen.
  • Bring binoculars and a camera with a long lens; sightings of kingfishers, spotted deer and estuarine crocodiles are better from distance.

Best Time to Visit The Sundarbans#

The best visiting window is the dry winter season (November-February) when temperatures are comfortable and wildlife activity is more easily observed.

Winter (November-February)
Nov-Feb · 10-25°C (50-77°F)
Cooler, dry, and the most comfortable time for boat trips and wildlife viewing; peak season for tourists.
Monsoon (June-September)
Jun-Sep · 25-32°C (77-90°F)
Heavy rains, high tides and fewer visitors; some zones may be closed and boat navigation is trickier.

Weather & Climate near The Sundarbans#

Climate

The Sundarbans's climate is classified as Tropical Savanna - Tropical Savanna climate with hot summers (peaking in May) and mild winters (coldest in January). Temperatures range from 14°C to 33°C. Abundant rainfall (1937 mm/year), wettest in July with a pronounced dry season.

Air Quality: AQI 144 Unhealthy (Sg)
Best Time to Visit
JanuaryFebruaryDecember
Temperature & Rainfall
Temperature Range
40°
Warmest Month
9°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Ideal 14° - 25° 19° 13 mm mostly sunny 62% 1.5 m/s 1.0 high 10.9h
February Ideal 17° - 28° 22° 28 mm mostly sunny 57% 1.6 m/s 1.4 high 11.3h
March Excellent 22° - 31° 27° 35 mm some cloud 61% 2.3 m/s 1.7 very high 11.9h
April Very Good 25° - 33° 33° 52 mm partly cloudy 70% 3.6 m/s 2.0 very high 12.5h
May Good 26° - 33° 36° 136 mm partly cloudy 77% 3.1 m/s 2.0 very high 13.0h
June Acceptable 26° - 32° 36° 338 mm overcast 86% 3.4 m/s 1.7 very high 13.3h
July Acceptable 26° - 31° 35° 448 mm overcast 89% 3.3 m/s 1.8 very high 13.2h
August Acceptable 26° - 31° 35° 380 mm overcast 89% 3.0 m/s 1.9 very high 12.7h
September Acceptable 26° - 31° 35° 292 mm overcast 88% 2.1 m/s 1.8 very high 12.2h
October Good 24° - 31° 32° 164 mm partly cloudy 82% 1.8 m/s 1.5 very high 11.5h
November Ideal 20° - 29° 25° 41 mm mostly sunny 75% 1.4 m/s 1.2 high 11.0h
December Ideal 15° - 26° 21° 10 mm mostly sunny 69% 1.5 m/s 1.0 moderate 10.7h