The Talava Arches are twin arches of limestone standing over a bare reef on the northwest coast of Niue, a raised coral island in the South Pacific, near the village of Hikutavake, and they are reached by a scramble down through a cave hung with stalactites and a walk across the reef flat at low tide. Niue is a single block of old coral lifted out of the sea, with cliffs all round and no rivers, and its coast is a line of caves, arches and pools cut by the surf into the limestone; the track to Talava runs through forest to the cliff edge, and the only way down is on foot through the cave, a rope on the steepest step, past columns of stalactite to the opening where the arches stand against the sea, the larger one spanning the reef like a bridge. Low water empties the flat and leaves a walkable pavement of pitted coral rock, sharp enough through a thin sole to draw blood, across which the far arch is reached, and a narrow channel cut through the reef beneath it, walled with coral, is deep enough to swim while the flat around it drains to ankle depth.
The outer edge of the platform takes the full weight of the Pacific, and the swell lands there with a crack felt through the rock a few paces from the still water of the channel. The clifftop at Talava was a lookout long before it was a walk, a place to spot raiding canoes and strange ships while they were still far out, and between July and October humpbacks rest and calve in Niue's water, with the coast above the arches one of the island's shore lookouts, the blows seen from the cliff. In the channels lives the katuali, a flat-tailed sea krait found only in Niue's water, and the water is clear to thirty metres. Talava is a doorway of coral over a reef, and the tide decides when it is open.