A rock arch curved over the water a short distance from where the river narrowed before entering the canyon.

Stepping out onto the rock arch, he prepared to dive, waiting until he was certain to hit the water a little way in front of Julia.

The assessed geological age of the rock arch is 1.5 billion years.

This mill was built directly in the stream under the rock arch of the cave entrance.

The other trail leads to a natural rock arch.

The mountains are mainly made of sandstone, which has resulted in formation of many natural rock arches.

She spoke firmly, her voice amplified by the rock arch behind her.

When it was framed in the rock arch between the two chambers, he gave it a final shove and then backed off.

Devil's Bridge is a natural rock arch in eastern Antigua.

In her mind's eye the dark lairs were replaced by that soaring red rock arch between the outpost and the main stronghold.