SleafordSleaford CastleLeasinghamHaverholme PrioryRuskingtonCranwellCranwellBurton PedwardineHeckingtonHeydour Castle HillsAncasterAncasterBarkston Heath Royal Air Force BaseTemple BruerFolkingham CastleBillingboroughBillinghayCaythorpeWelbourn Castle HillNavenbyHough on the Hill Castle HillAslackby CastleMetheringhamDoningtonSomerton CastleSwinesheadSwinesheadGranthamTattershall CastleGreat GonerbySwineshead AbbeyHoughamConingsby Royal Air Force BaseConingsbyRAF WaddingtonHolme SpinneyWaddingtonBarrowbyBassinghamWoodhall Spa