. ▁▁ ▁Ł ód ź ▁Botan ical ▁Garden ▁is ▁adjacent ▁to ▁Ret kin ia ▁from ▁the ▁north - east . ▁One ▁of ▁the ▁largest ▁botan ical ▁gard ens ▁in ▁Poland , ▁it ▁has ▁an ▁area ▁of ▁ 6 7 ▁hect ares . ▁There ▁are ▁twelve ▁artificial ▁h il lock s ▁in ▁the ▁garden , ▁covered ▁with ▁gran ite , ▁lim estone ▁and ▁sand stone ▁blocks . ▁The ▁highest ▁of ▁these ▁host ▁an ▁al pine ▁garden , ▁and ▁the ▁remainder ▁can ▁be ▁found ▁in ▁the ▁Japanese ▁garden , ▁ar bor et um ▁and ▁Polish ▁fl ora ▁section . ▁Ł ód ź ▁Z oo ▁and ▁Z d row ie ▁Park ▁( the ▁largest ▁in ▁the ▁city ) ▁are ▁located ▁on ▁the ▁far ▁end ▁of ▁the ▁Botan ical ▁Garden ▁and ▁together ▁they ▁compr ise ▁a ▁vast ▁green ▁area ▁serving ▁the ▁needs ▁of ▁not ▁only ▁Ret kin ia ▁but ▁the ▁entire ▁city . ▁ ▁Las ▁Lub line k , ▁the ▁city ’ s ▁second ▁largest ▁municipal ▁forest ▁( with ▁an ▁area ▁of ▁ 9 0 , 4 3 ▁hect ares ), ▁is ▁located ▁ ▁south ▁of ▁Ret kin ia ▁( on ▁the ▁south ▁side ▁of ▁the ▁Wars aw - K alis z ▁railway ), ▁and ▁its ▁wood land ▁area ▁and ▁p onds ▁attract ▁many ▁residents ▁of ▁the ▁district . ▁The ▁area ▁between ▁the ▁forest ▁and ▁Ret kin ia ▁has ▁been ▁transformed ▁into ▁a ▁wood land ▁park ▁in ▁recent ▁years , ▁forming ▁a ▁continuous ▁green ▁area ▁of ▁more ▁than ▁ 1 4 0 ▁hect ares , ▁with ▁a