In the afternoon of September 15, HMS Beagle with Charles Darwin on-board sighted Mount Pitt, a large hill on the north-east end of Chatham Island, about 600 miles off the coast of South America. This was the first sighting of the Galapagos Archipelago by the Beagle. Captain Robert FitzRoy wrote in the ship’s journal:
…we were anxiously looking out for land, when what appeared to be an islet was seen from the mast-head. This seeming islet turned out to be the summit of Mount Pitt, a remarkable hill at the north-east end of Chatham Island.
On September 16, the Beagle reached Hood Island. Early in the morning Edward Chaffers (Master) and Arthur Mellersh (Midshipman) set out on a boat to survey the island’s shoreline. By noon another boat was launched to survey the central islands of the archipelago. Later in the afternoon of September 16, HMS Beagle reached Chatham Island.