TheHueiyin(Echo)Valleyisabeautifulvirginforest.Asthenamesuggests,youwillheartheechoesifyoutalkloudlyintothevalley.Intheforest,youwillseethefollowinginterestingspots.TheMissingMazeconsistsofseveralinter-connectedcavesofdifferencesizesthetotallengthofthemazeis30-40meters.TheParent-ChildrenHugTreeisactuallytwotrees("parents")whoserootsareconnectedtogetherandwhosestemsareentangledalso,onelittletree("child")issurroundedbythetwo"parent"trees,asthoughthechildishuggedbytheparents.Additionally,a70-meterlongsuspensionbridgehangsoverthe40-meterdeepvalley.Theeveningskyofthisareaisdottedwithnotonlystarsbutunforgettablefireflies.BesidestheforesttrailstandsahugeStoutCamphorTree,whichsurvivedthemassiveloggingdecadesago.Thistreeismorethanacenturyolditswaistneedsseveralpeopletosurround.Walkingpastthistalltree,youwillseethe7-StepEchoValley.Thisvalleywasconsideredaplaceofmysteries.Thereisastorythatwhensomelocalpeopleusedtolookforamissingchildbyshoutinghisnameintothevalley,echoescouldbeheardonlywithin7steps.Thiswasanmysteriousphenomenonthatgavethevalleyitsname.Localpeopleusedtothinkthatsomespiritsexistinthisvalley.Nowadays,localpeoplenolongerthisthatspiritsoccupythisplace,butthetalehasnotbeenforgotten.Visitorswouldcomeandtrytoexperiencetheechoeswithin7stepsbytalkingloudintothevalley.