▁is ▁a ▁visitor ▁att raction ▁and ▁public ▁park ▁in ▁Mil ton ▁Ke yn es , ▁Buck ingham shire ▁ ▁The ▁site ▁is ▁owned ▁by ▁The ▁Park s ▁Trust , ▁which ▁is ▁an ▁independent , ▁self - fund ed ▁char ity ▁that ▁car es ▁for ▁and ▁maintain s ▁over ▁ 6 , 0 0 0 ▁acres ▁of ▁green ▁space ▁across ▁the ▁city . ▁ ▁Will en ▁Lake ▁is ▁Mil ton ▁Ke yn es ' ▁most ▁popular ▁park ▁attract ing ▁in ▁excess ▁of ▁ 7 5 0 , 0 0 0 ▁visitors ▁a ▁year . ▁It ▁compr ises ▁ 1 8 0 ▁acres ▁of ▁land sc aped ▁park land ▁which ▁surr ound ▁around ▁ 1 0 0 ▁acres ▁of ▁water ▁across ▁two ▁la kes . ▁Both ▁la kes ▁are ▁bal ancing ▁la kes . ▁The ▁southern ▁lake ▁offers ▁a ▁wide ▁range ▁of ▁activities ▁on ▁and ▁off ▁the ▁water , ▁whilst ▁the ▁northern ▁lake ▁offers ▁a ▁more ▁natural ▁and ▁tran qu il ▁setting , ▁ideal ▁for ▁quiet ▁wal ks ▁and ▁spot ting ▁wild life . ▁There ▁are ▁large ▁events ▁held ▁on ▁the ▁site ▁throughout ▁the ▁year , ▁including ▁Com edy ▁Central ' s ▁Fri ends F est ▁ ▁Att ra ctions ▁ ▁Oper ating ▁ ▁The ▁park ▁compr ises ▁of ▁a ▁number ▁of ▁le is ure ▁attra ctions ▁ ▁including : ▁▁ ▁W aters ports ▁ ▁High ▁ro pes ▁ ▁W ake board ing ▁ ▁Out door ▁children ' s ▁spl ash ▁park ▁ ▁In fl atable ▁aqu a ▁park ▁▁ ▁M ini ature ▁railway ▁