Сильмариллион
Of Beleriand and Its Realms
Gelionwasagreatriver;andheroseintwosourcesandhadatfirsttwobranches;LittleGelionthatcamefromtheHillofHimring,andGreaterGelionthatcamefromMountRerir.Fromthemeetingofhisarmsheflowedsouthforfortyleaguesbeforehefoundhistributaries;andbeforehefoundtheseahewastwiceaslongasSirion,thoughlesswideandfull,formorerainfellinHithlumandDorthonion,whenceSiriondrewhiswaters,thanintheeast.FromEredLuinflowedthesixtributariesofGelion:Ascar(thatwasafternamedRathloriel),Thalos,Legolin,Brilthor,Duilwen,andAdurant,swiftandturbulentstreams,fallingsteeplyfromthemountains;andbetweenAscarinthenorthandAdurantinthesouth,andbetweenGelionandEredLuin,laythefargreencountryofOssiriand,theLandofSevenRivers.NowatapointnearlymidwayinitscoursethestreamofAdurantdividedandthenjoinedagain;andtheislandthatitswatersenclosedwasnamedTolGalen,theGreenIsle.ThereBerenandLuthiendweltaftertheirreturn.
InOssirianddwelttheGreen-elves,intheprotectionoftheirrivers;forafterSirionUlmolovedGelionaboveallthewatersofthewesternworld.ThewoodcraftoftheElvesofOssiriandwassuchthatastrangermightpassthroughtheirlandfromendtoendandseenoneofthem.
