. ▁ ▁After ▁L hot se ▁and ▁Ever est , ▁Sk at ov ▁clim bed ▁solo ▁in ▁al pine ▁style ▁on ▁ 2 0 ▁June ▁ 2 0 1 7 ▁his ▁last ▁one ▁of ▁Seven ▁summ its - Den ali , ▁ 6 1 9 7 m . ▁ ▁Ex ped itions ▁ ▁References ▁ ▁Category : 1 9 7 8 ▁birth s ▁Category : A gr onomy ▁Category : B ul gar ian ▁mountain ▁clim bers ▁Category : L iving ▁people ▁Category : Pe ople ▁from ▁Sl iven ▁Category : V eg an ism ▁activ ists <0x0A> </s> ▁The ▁Lyon ▁Mountain ▁Mountain ▁Fire ▁Observ ation ▁Station ▁is ▁located ▁▁ 7 ▁miles ▁west ▁of ▁D ann em ora ▁in ▁Cl inton ▁County , ▁New ▁York . ▁ ▁It ▁was ▁established ▁in ▁April ▁ 1 9 1 0 ▁without ▁a ▁fire ▁tower , ▁as ▁the ▁sum mit ▁of ▁Lyon ▁Mountain ▁was ▁bare ▁at ▁that ▁time . ▁ ▁In ▁ 1 9 1 7 ▁the ▁New ▁York ▁State ▁Conserv ation ▁Commission ▁ere cted ▁a ▁ 3 5 ▁foot ▁steel ▁A erm ot or ▁L S 4 0 ▁fire ▁look out ▁tower ▁that ▁still ▁stands ▁at op ▁the ▁mountain . ▁ ▁The ▁tower ▁was ▁used ▁until ▁the ▁end ▁of ▁the ▁ 1 9 8 8 ▁season ▁and ▁was ▁officially ▁closed ▁in ▁early ▁ 1 9 8 9 ▁when ▁the ▁New ▁York ▁State ▁Department ▁of ▁Environment al ▁Conserv ation ▁determined ▁that ▁air plan es ▁were ▁more ▁effective ▁for ▁spot ting ▁fires ▁than ▁fire ▁to wers . ▁