Adam's Bridge

Tomb Chain of limestone shoals linking India and Sri Lanka

A chain of limestone shoals links India’s Pamban Island with Sri Lanka’s Mannar Island; visitors note the shallow sandbanks, religious significance in Hindu tradition and boat trips that explore coastal fisheries and tidal channels.

Main image

Adam’s Bridge, also known as Rama Setu, is a chain of sandbanks and limestone shoals between the southeastern coast of India and the northwestern coast of Sri Lanka. The formation has cultural significance and is visible as a low-lying string of islets and reefs across the sea.

The feature is a shallow natural barrier between the Gulf of Mannar and the Palk Strait, extending for roughly 50 kilometres and lying close to Pamban Island (Rameswaram) at the Indian end and Mannar Island at the Sri Lankan end. It is geomorphologically a series of shoals rather than a continuous land bridge.

Geologically and historically the formation has been interpreted as a former land connection or a natural reef chain shaped by sea-level changes and sedimentation. It is also associated with the Hindu epic the Ramayana, in which a bridge is described between the two shores.

The bridge lies off the southeastern tip of India (Tamil Nadu) and the northwestern coast of Sri Lanka, occupying shallow coastal waters and forming a prominent feature on charts and satellite imagery of the Palk Strait region.

  • Length and position: A chain of shoals and islands stretching roughly 50 kilometres between Pamban Island (India) and Mannar Island (Sri Lanka).
  • Navigation and waters: Separates the Gulf of Mannar from the Palk Strait and lies in very shallow water, historically limiting deep-draft navigation through the channel.

What to See #

  • Rama Setu / Adam's Bridge: A chain of shallow, sandy and limestone shoals and islets that extends between India and Sri Lanka and lies across the Palk Strait and Gulf of Mannar.
  • Pamban (Rameswaram) end: The Indian side near Pamban (Rameswaram) on Pamban Island, which forms the northwestern end of the shoal chain close to Tamil Nadu.
  • Mannar end: The Sri Lankan side near Mannar Island, which forms the southeastern end of the chain and lies off Sri Lanka's northwest coast.
Adam's Bridge
Adam's Bridge (Rama Setu) - chain of shoals between Rameswaram (Tamil Nadu, India) and Mannar (Sri Lanka)
9.1210, 79.5217
Open year-round
Free (no formal visitor facilities; boat access varies)

How to Get to Adam's Bridge #

Adam’s Bridge (the chain of shoals between Rameswaram, India and Mannar, Sri Lanka) is viewed most readily from Rameswaram in Tamil Nadu. Rameswaram is connected to the mainland by the Pamban Bridge (road and rail); you can drive or take the train to Rameswaram. Madurai is the nearest major city with frequent road and rail links to Rameswaram (roughly a 2.5-3 hour drive, about 170 km). From Rameswaram town the shoals are visible offshore; organized boat excursions may be available locally but check permissions and schedules.

Tips for Visiting Adam's Bridge #

  • For viewing Adam's Bridge (Rama's Bridge), choose vantage points on the Indian side such as Dhanushkodi or the Rameswaram/Pamban coast at low tide and early morning light rather than attempting a crossing.
  • Do not attempt to walk between India and Sri Lanka - the chain of shoals is shallow in places but lies along international waters and border controls; most close-up views are by local boat tours or from shore.
  • Many visitors miss how much the feature is a broad, partially submerged shoal system rather than a single continuous causeway; combine coastal viewpoints with local boat operators or aerial photos for the clearest sense of the formation.

Best Time to Visit Adam's Bridge #

Prefer the dry season (roughly November-April) for calmer seas and more reliable boat access and viewing conditions.

Dry season (Best for boat/sea conditions)
November-April · 25-32 °C
Generally calmer seas and clearer weather make boat trips and coastal views safer and more comfortable.
Monsoon / Wet season
May-October · 26-34 °C
Higher heat, humidity, and heavier rains; sea conditions can be rougher, which can limit small-boat excursions.

Weather & Climate near Adam's Bridge #

Climate
Air Quality: AQI 63 Moderate
Temperature & Rainfall
Temperature Range
33°
Warmest Month
24°
Coldest Month
Monthly Conditions

January

Weather

1.9
UV Index
Very High
11.5h daylight

February

Weather

2.3
UV Index
Extreme
11.7h daylight

March

Weather

2.5
UV Index
Extreme
12.0h daylight

April

Weather

2.5
UV Index
Extreme
12.2h daylight

May

Weather

2.3
UV Index
Extreme
12.4h daylight

June

Weather

2.3
UV Index
Extreme
12.5h daylight

July

Weather

2.3
UV Index
Extreme
12.5h daylight

August

Weather

2.4
UV Index
Extreme
12.3h daylight

September

Weather

2.4
UV Index
Extreme
12.1h daylight

October

Weather

2.1
UV Index
Extreme
11.8h daylight

November

Weather

1.7
UV Index
Very High
11.6h daylight

December

Weather

1.6
UV Index
Very High
11.5h daylight

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