The Bridge That Should Not Exist: Building Ram Setu

Ram Setu, “Rama’s bridge,” is the causeway that the Rāmāyaṇa says Rama’s army built across the sea from the southern tip of India to Lanka. They built it so they could rescue Sita from the demon king Ravana. The story takes in Rama’s long vigil at the shore, his anger at an ocean that would not answer, the engineering skill of the monkey Nala, and — in later, much-loved retellings — a tiny squirrel whose help Rama treasured as much as any boulder.

Where the story stands in the Rāmāyaṇa

By this point in the epic, Rama had spent years in forest exile. Ravana had carried Sita away to his island city of Lanka. With the help of Sugriva, king of the vānaras — the monkey people of Kishkindha — Rama had searched for her. Hanuman had leapt across the sea, found Sita in Lanka and brought back news that she was alive.

Now Rama stood on the southern shore with a great army of vānaras and bears, led by generals such as Sugriva, Hanuman, Angada, Nila and the bear king Jambavan. Ravana’s own brother, Vibhishana, had just left Lanka and come over to Rama’s side.

The people and terms in this story

• Sāgara / Samudra — the Ocean, imagined as a living god who can be prayed to. Many retellings identify him with, or place him under, Varuṇa, lord of the waters.
• Nala — a vānara general, son of Vishvakarma, the architect of the gods.
• Yojana — an old Indian measure of distance, usually reckoned at several miles. Its exact length varies between texts.
• Setu — Sanskrit for “bridge” or “causeway.”

Three days at the shore

The ocean stood between Rama and everything. On the far shore was Lanka, where Sita was held captive. On this shore was an army that had pledged its lives to him. Between them lay the sea, vast and seemingly impossible to cross, its waves untouched by the justice of his cause or the depth of his grief.

On Vibhishana’s advice, Rama chose first to ask the Ocean for passage. He spread kuśa grass on the shore, lay down on it, and prayed. For three days and nights he fasted and waited, asking the sea to open a way, as the waters had done for the divine in other ages.

No answer came.

Rama’s anger

At the end of those three days Rama reached for his bow. The Rāmāyaṇa describes his mood with a frankness that can surprise readers. This is not calm, divine serenity. It is very human fury — the anger of someone who has done everything right and is still blocked by a power that seems not to care about right and wrong. Humility, he tells Lakshmana, is being mistaken for weakness.

He began loosing arrows into the sea. The waters churned and the creatures of the deep were thrown into turmoil. He threatened to dry the ocean up entirely, so that his army could simply walk across its bed.

The Ocean’s answer

The Ocean responded — not to the prayer, but to the bow. The sea-god rose from the waters, bowed to Rama and asked forgiveness for his delay.

He explained that he could not simply dry up or part. Being deep and hard to cross was his nature, just as every element has its own nature, and he could not abandon it. But he offered a way. Among Rama’s army was Nala, son of Vishvakarma, who had inherited his father’s gift. If Nala built a bridge, the Ocean would hold it up.

In Vālmīki’s telling, Rama’s raised arrow could not be withdrawn once drawn. At the Ocean’s request he loosed it far to the north instead, away from the sea.

In the Rāmcaritmānas of Tulsidas, the explanation is a little different. The Ocean says that Nala and his brother Nila had received a sage’s blessing in childhood, so that even heavy rocks they touched would float by the power of Rama’s glory.

Building the bridge

And so they built.

The army went to work the way people do when they are moved by love rather than force: wholeheartedly, without stopping to ask whether it was possible. Nala surveyed and directed. The vānaras tore up trees and hurled them into the sea. They brought boulders the size of hills from the mountains — rocks no ordinary team could have moved — and carried them in groups, refusing to be limited by their size because the work was for Rama.

The bridge grew day by day across the water. In Vālmīki’s account it was finished in five days and stretched one hundred yojanas, all the way to Lanka. It was a causeway of rock and timber built by beings who had never built anything like it, held up by the Ocean’s promise and powered by an army’s love for its leader. It is sometimes called Nala Setu after its builder, as well as Rama Setu.

The stones that floated

In many later retellings the monkeys write Rama’s name on each stone before throwing it in, and it is the name that makes the stones float. This detail is not in Vālmīki’s Sanskrit epic, where the Ocean’s promise and Nala’s skill carry the bridge. But it has become one of the best-loved parts of the story in devotional tradition, Ramlila performance and everyday storytelling.

The tradition values it as more than decoration. Whether taken literally or as a metaphor, it is usually read as saying that what is done in sincere devotion is held up in ways that purely physical calculation cannot account for. It also reflects the importance of nāma, the chanting of the divine name, in Rama devotion.

The squirrel

Then there is the squirrel.

She was a small brown squirrel, not a creature built for great projects. But she watched the bridge going up and wanted to help. So she went down to the shore, rolled in the wet sand, ran to where the bridge was being built, and shook the sand from her fur into the gaps between the rocks. Over and over, her small body went back and forth between beach and bridge, filling the spaces between the great stones.

Some of the bigger monkeys laughed at her. What difference could a little sand make beside boulders the size of mountains?

Rama saw her and gently lifted her in his palm. He stroked her back with his fingers, leaving three lines down her spine — the three pale stripes that the Indian palm squirrel still carries, remembered as the mark of this blessing. Then he answered the monkeys who had laughed. She was giving everything she had, he told them, and what is given completely is never small. In the measure that truly matters, her gift and theirs were equal.

The squirrel does not appear in Vālmīki’s Rāmāyaṇa. It belongs to later popular and regional traditions, and it is especially loved in South India.

The crossing

The army crossed the bridge to Lanka. The war was fought, and the ten-headed Ravana was defeated. The bridge built from rocks and trees, sand carried in a squirrel’s fur and, in the devotional telling, the written name of God, had done its work.

Before the crossing, in the Rāmcaritmānas and in wider tradition, Rama installs and worships a Shiva linga on the shore. That shrine is identified with Rameswaram, whose Ramanathaswamy temple is one of the twelve Jyotirlingas, the most sacred Shiva shrines. Rameswaram is still one of the great pilgrimage centres of India, closely tied to this episode. Local tradition at nearby Dhanushkodi — “the end of the bow” — also links the place to Rama’s bow and to the bridge.

What is there now

Between India’s Rameswaram (Pamban Island) and Mannar Island in Sri Lanka, a chain of limestone shoals runs across the shallow strait. It lies at the point where the Rāmāyaṇa tradition places the bridge, and the line can be seen clearly in satellite photographs. In English it is called Adam’s Bridge; in India it is widely known as Ram Setu.

Geologists debate how the shoals formed. Devotees know it by its name. AdiVeda tells the story as the tradition tells it and does not claim to settle scientific or historical questions about the site.

Where the story comes from

• Vālmīki Rāmāyaṇa, Yuddha Kāṇḍa (the book of the war): Rama’s vigil at the shore, his anger, the Ocean’s appearance, Nala’s leadership and the five days of building.
• Rāmcaritmānas of Tulsidas: the end of its Sundara Kāṇḍa tells of the Ocean’s refusal and surrender, with the sage’s blessing on Nala and Nila. The Laṅkā Kāṇḍa opens with the building of the bridge and the worship of Shiva at Rameswaram.
• Later and regional retellings: the source of the stones inscribed with Rama’s name and the story of the squirrel. Details vary from region to region, and between written and oral versions.

What the story is often taken to mean

• Patience first, then resolve. Rama asks humbly before he acts with force. The episode is often read as showing that gentleness has its limits when a just cause is blocked.
• Everyone’s nature has a place. The Ocean does not stop being an ocean. Instead it offers a way that works with its nature.
• The worth of an offering lies in its wholeness. The squirrel’s sand counts as much as the largest boulder. That is the arithmetic of devotion: it counts not how much is given, but how completely.
• Shared work. The bridge is built by many hands — monkeys, bears, an engineer and a squirrel — and belongs to all of them.

The bridge was built. The ocean that would not part was made passable. And the squirrel’s contribution was as necessary as the largest stone.

Read on AdiVeda

• The Greatest Leap: Hanuman Crosses the Ocean — how Sita was found before the bridge was built.
• Sundarkand — Part 10 — Tulsidas’s verses on Rama at the ocean shore.
• Dwadasha Jyotirlinga Stotram — the hymn to the twelve Jyotirlingas, including Rameswaram.
• The Night of a Million Lamps: Rama Returns Home — what came after the war.
• Rama reading archive