Alderney late 300s, at above the island's only natural harbour. The etymology of the island's name is obscure. It is known in Latin as "Riduna" but as with the names of all the Channel Islands in the Roman period there is a degree of confusion. "Riduna" may be the original name of Tatihou, while Alderney is conjectured to be identified with "Sarnia". "Alderney"/"Aurigny" is variously supposed to be a Germanic or Celtic name. It may be a corruption of "Adreni" or "Alrene", which is probably derived from an Old Norse word meaning "island near the coast". Alternatively it may derive from
French Island (Victoria) the island, which are quiet and ideal for mountain bikes. They are affected by rain and can become dangerous for the inexperienced. The island is generally flat or mildly undulating with the highest point being Mount Wellington (96m). Bicycles can be hired from the general store. There is an abundance of walking tracks. Active pursuits include bushwalking, bird watching, horse riding, and cycling. There is one tour operator on the island, French Island Tours. The French Island Barge Company operates a vehicular ferry from Corinella on the eastern side of Western Port to the barge landing on French Island. It