▁built ▁on ▁a ▁small ▁island ▁in ▁the ▁centre ▁of ▁the ▁main ▁lake ▁- ▁a ▁ro str al ▁column , ▁in ▁honour ▁of ▁the ▁mar quis ' ▁two ▁young ▁sons ▁Ed ou ard ▁( 1 7 6 2 – 1 7 8 6 ) ▁and ▁An ge ▁August e ▁( 1 7 6 6 – 1 7 8 6 ), ▁news ▁of ▁whose ▁disapp earance ▁had ▁arrived ▁in ▁France ▁earlier ▁that ▁year . ▁ ▁They ▁had ▁died ▁young ▁at ▁sea ▁in ▁L itu ya ▁Bay ▁during ▁the ▁La ▁P ér ouse ▁expedition . ▁ ▁The ▁park ▁is ▁in ▁the ▁mar quis ' ▁own ▁image , ▁showing ▁his ▁adm iration ▁for ▁navigation ▁and ▁discovery ▁( not ▁only ▁the ▁ro str al ▁column , ▁but ▁also ▁the ▁c en ot aph ▁in ▁honour ▁of ▁the ▁English man ▁Captain ▁Cook , ▁are ▁the ▁most ▁obvious ▁indic ators ▁of ▁this ), ▁his ▁love ▁of ▁nature ▁and ▁beautiful ▁plants ▁( link ed ▁to ▁expl oration ▁in ▁this ▁era ▁of ▁bot any ▁and ▁classification ▁- ▁the ▁park ▁is ▁stuff ed ▁with ▁rare ▁imported ▁species , ▁acc limat ised ▁to ▁their ▁new ▁habitat ▁by ▁the ▁rich ▁soil ▁of ▁the ▁M éré ville ▁valley ), ▁and ▁his ▁memory ▁of ▁his ▁youth ▁in ▁the ▁Bas que ▁and ▁the ▁mountain ous ▁P yr én ées ▁( a ▁rock y ▁water fall , ▁spir al ▁st air cases ▁down ▁into ▁gro tto es , ▁and ▁dé n iv ell és ). ▁ ▁It ▁also ▁shows ▁off ▁his ▁rich es , ▁with ▁brid ges ▁" aux