Plan van de Iris-straat en Triton's-baai event1828 location_onIndonesia Hand-drawn map of routes through the Iris-straat (Iris Strait) and Triton’s-baai (Triton Bay) in New Guinea. Bathymetry (sea depth) and reefs are shown, and there is an elevation (side view) of the islands and hills seen at the bay’s entrance.