8 8 7 ▁oper as ▁Category : Oper as ▁set ▁in ▁Ukraine ▁Category : Christ mas ▁oper as ▁Category : The ▁Dev il ▁in ▁opera <0x0A> </s> ▁Tr istan ▁Island ▁or ▁the ▁Î le ▁Tr istan ▁is ▁located ▁at ▁the ▁mouth ▁of ▁the ▁P ould avid ▁Est u ary ▁off ▁the ▁French ▁port ▁of ▁Dou arn enez ▁in ▁south - western ▁Brit t any . ▁It ▁is ▁only ▁about ▁ 4 5 0 ▁m ▁long ▁and ▁ 2 5 0 ▁m ▁wide ▁but ▁despite ▁its ▁small ▁size , ▁it ▁has ▁a ▁rich ▁history . ▁It ▁is ▁closely ▁associated ▁with ▁Bre ton ▁leg ends ▁and ▁the ▁lost ▁island ▁of ▁Y s . ▁In ▁the ▁Middle ▁A ges ▁a ▁pri ory ▁was ▁built ▁there ▁and ▁the ▁island ▁was ▁inhab ited ▁through ▁much ▁of ▁the ▁ 2 0 th ▁century . ▁In ▁the ▁ 1 9 th ▁century , ▁it ▁became ▁famous ▁as ▁the ▁site ▁of ▁the ▁first ▁can ning ▁factory ▁for ▁s ard ines ▁f ished ▁in ▁the ▁Bay ▁of ▁Dou arn enez , ▁the ▁beginning ▁of ▁the ▁s ard ine ▁industry ▁which ▁was ▁important ▁for ▁this ▁region . ▁ ▁Now ▁un in hab ited , ▁the ▁island ▁has ▁become ▁part ▁of ▁the ▁national ▁Par c ▁nature l ▁mar in ▁d ' I ro ise ▁( Mar ine ▁Park ) ▁established ▁in ▁ 2 0 0 7 . ▁It ▁is ▁accessible ▁to ▁tour ists ▁at ▁low ▁t ide ▁during ▁spring ▁t ides ▁most ▁of ▁the ▁year , ▁for ▁a ▁couple ▁of ▁hours ▁at ▁a ▁time