G erva is - les - B ains , ▁the ▁Tr am way ▁du ▁Mont - Bl anc ▁( T MB ) ▁is ▁taken ▁to ▁get ▁to ▁the ▁G are ▁du ▁N id ▁d ' A ig le . ▁The ▁as cent ▁begins ▁in ▁the ▁direction ▁of ▁the ▁Ref uge ▁de ▁T ête ▁R ous se , ▁crossing ▁the ▁Grand ▁Cou lo ir ▁or ▁Go û ter ▁Cor rid or , ▁considered ▁dangerous ▁because ▁of ▁frequent ▁rock - falls , ▁leading ▁to ▁the ▁Go û ter ▁cabin ▁for ▁night ▁shelter . ▁The ▁next ▁day ▁the ▁route ▁leads ▁to ▁the ▁D ôme ▁du ▁Go û ter , ▁past ▁the ▁emer gency ▁Vall ot ▁cabin ▁and ▁L ' arr ête ▁des ▁B oss es . ▁ ▁La ▁Vo ie ▁des ▁ 3 ▁Mont s ▁is ▁also ▁known ▁as ▁La ▁Tra vers ée . ▁Starting ▁from ▁Cham on ix , ▁the ▁T élé ph érique ▁de ▁l ' A igu ille ▁du ▁M idi ▁is ▁taken ▁towards ▁the ▁Col ▁du ▁M idi . ▁The ▁Cos mi ques ▁cabin ▁is ▁used ▁to ▁spend ▁the ▁night . ▁The ▁next ▁day ▁the ▁as cent ▁continues ▁over ▁Mont ▁Bl anc ▁du ▁T ac ul ▁and ▁Mont ▁Ma ud it . ▁ ▁The ▁historic ▁it iner ary ▁via ▁the ▁Gr ands ▁Mu lets ▁H ut , ▁or ▁old ▁normal ▁route ▁on ▁the ▁French ▁side , ▁which ▁is ▁most ▁frequently ▁travers ed ▁in ▁winter ▁by ▁ski , ▁or ▁in ▁summer ▁to ▁descend ▁to ▁Cham on ix . ▁ ▁The ▁normal ▁Italian ▁it