mi ) ▁from ▁the ▁valley . ▁One ▁can ▁also ▁h ire ▁a ▁por ter , ▁m ule ▁or ▁hel ic opter ▁to ▁reach ▁G hang aria . ▁The ▁tre k ▁from ▁G ov ind g hat ▁to ▁G hang aria ▁is ▁common ▁to ▁the ▁S ikh ▁Temple ▁at ▁Hem kund ▁and ▁a ▁tre k ker ▁is ▁likely ▁to ▁find ▁many ▁S ikh ▁pil gr ims ▁on ▁the ▁route . ▁As ▁one ▁ne ars ▁G hang aria ▁one ▁is ▁gre et ed ▁by ▁fields ▁of ▁perf umed ▁wild ▁flowers , ▁wild ▁rose ▁bush es ▁and ▁wild ▁st raw ber ries ▁by ▁the ▁sides ▁of ▁the ▁path . ▁The ▁visitors ▁to ▁Valley ▁of ▁Flow ers ▁need ▁to ▁get ▁a ▁permit ▁from ▁Forest ▁Department , ▁at ▁G hang aria ▁and ▁the ▁permit ▁is ▁valid ▁for ▁three ▁days ▁and ▁visit ing ▁and ▁tre kk ing ▁is ▁allowed ▁only ▁during ▁day ▁time . ▁As ▁visitors ▁are ▁not ▁allowed ▁to ▁stay ▁inside ▁the ▁National ▁park , ▁accommod ation ▁can ▁be ▁obtained ▁at ▁G hang aria . ▁The ▁best ▁time ▁to ▁visit ▁is ▁between ▁July ▁and ▁early ▁September , ▁when ▁the ▁valley ▁is ▁full ▁of ▁flowers , ▁just ▁after ▁the ▁out break ▁of ▁mon so on . ▁ ▁Veg et ation ▁ ▁The ▁valley ▁has ▁three ▁sub - al pine ▁between ▁ 3 , 2 0 0 ▁m ▁and ▁ 3 , 5 0 0 ▁m ▁which ▁is ▁the ▁limit ▁for ▁trees , ▁lower ▁al pine ▁between ▁ 3 , 5 0 0 ▁m ▁and ▁ 3 , 7 0