The Great Waterfall is the immense cascade beyond Caldron Pool at Narnia’s western boundary. In the travelers’ final journey, it becomes not an obstacle to escape but a passage to be climbed: the party swims into its torrent, rises up its face, and reaches the river above. Beyond it lies the Western Wild, a country familiar to Digory and Polly from the world’s beginning but new to Tirian, Peter, and even the eagle Farsight.

Setting and Approach

The travelers come upon Caldron Pool with the Great Waterfall beyond it: high, unclimbable cliffs pour thousands of tons of water every second into the basin below. The cascade flashes like diamonds in some places and appears dark, glassy green in others; its thunder is already audible as the company approaches. The scene establishes the waterfall through scale and sound before making it the next stage of the journey.

Eustace calls for the party to stop when he sees what lies ahead, but Farsight urges them onward and upward. Jewel echoes the call to continue, insisting that they take the obstacle in their stride. The waterfall’s apparent impossibility makes that decision consequential: rather than turning back or seeking a route around it, the travelers enter the water and discover that the journey’s direction is still upward.

The Ascent

Jewel plunges into the Pool first, and the others follow in a succession of splashes. They expect biting cold, especially Puzzle, but find the water deliciously cool and foamy. Their course carries them straight toward the waterfall. Eustace calls the undertaking crazy; Edmund acknowledges the strangeness, while Lucy finds that fear has disappeared. Eustace tests her claim and discovers that he, too, cannot feel afraid.

Jewel reaches the foot of the fall first, with Tirian close behind. Jill, last in the party, can see the ascent unfold: the white unicorn moves steadily up the water, neither clearly swimming nor climbing, his horn dividing the torrent above his head so that it streams around his shoulders in two rainbow-coloured ribbons. Tirian follows, moving his limbs as if swimming while travelling vertically, as though a person could swim straight up a wall.

The dogs scramble and wriggle upward after them. Their barking brings splashes into their mouths and noses, so they splutter and sneeze as they climb. Jill soon joins the ascent herself. In the ordinary physical conditions of another world, the pressure and jagged rocks would make such a climb fatal; here, the company rises through reflected lights and coloured stones until the climb seems like climbing through light. The height that would normally provoke terror becomes exhilarating, because the travelers cannot be frightened.

At the top, the current races away behind them, but the swimmers can make headway against it. They emerge onto the level river above the falls and reach the bank dripping and happy. The passage changes both the party’s position and its sense of what is possible: the waterfall does not stop the journey but carries it into a new country.

Beyond the Boundary

A long valley opens ahead, with great snow-covered mountains much nearer against the sky. Jewel calls again for the travelers to go further up and further in, and the party immediately sets off. They have left Narnia and entered the Western Wild, a region Tirian, Peter, and even Farsight have never seen.

For Digory and Polly, the landscape brings recognition rather than discovery. They know this country: both had journeyed there on the day the world was made. Tirian asks whether the old stories of that journey are true, and Digory confirms them, saying that the experience seems to him as if it happened only yesterday. Their recollection places the Western Wild beyond ordinary familiarity and ties the present onward journey to the beginning of the world.

Narrative Significance

The waterfall is a literal boundary, but the scene refuses to treat a boundary as a final barrier. Its cliffs are described as unclimbable, its volume of water immense, and its noise overwhelming; nevertheless, the company’s forward motion turns the seeming dead end into a route. The shift from anticipated danger to joyful ascent is made bodily and communal: Jewel leads, Tirian follows, the dogs struggle noisily upward, and Jill sees the whole party pass through the torrent.

The upward movement also carries the travelers from the known country into the Western Wild and brings the narrative into contact with remembered beginnings. The landscape is new to most of the company but already known to Digory and Polly, whose steady recognition contrasts with the party’s rapid progress. Crossing the Great Waterfall therefore joins physical passage to a larger change in perspective: beyond Narnia’s edge, the travelers move toward country connected with the world’s creation.