: ▁The ▁River ▁Cher well ▁to ▁the ▁east , ▁its ▁trib ut ary ▁the ▁River ▁Sw ere ▁to ▁the ▁north ▁and ▁the ▁S ow bro ok ▁( i . e . ▁" S outh ▁Brook ") ▁to ▁the ▁south . ▁The ▁Cher well ▁here ▁also ▁forms ▁the ▁county ▁boundary ▁with ▁North am pt ons hire . ▁To ▁the ▁west ▁the ▁parish ▁is ▁bounded ▁by ▁field ▁boundaries . ▁ ▁Cl if ton , ▁D ed d ington ▁and ▁H empt on ▁stand ▁on ▁a ▁r idge ▁of ▁Jur ass ic ▁fer ru gin ous ▁mar l stone ▁hills ▁between ▁the ▁three ▁water c ourses . ▁Cl if ton ▁is ▁about ▁ ▁east ▁of ▁D ed d ington , ▁at ▁the ▁eastern ▁end ▁of ▁the ▁r idge ▁where ▁it ▁s lop es ▁down ▁to ▁the ▁Cher well . ▁The ▁rid ges ▁r ises ▁west ward . ▁D ed d ington ▁is ▁about ▁ ▁above ▁sea ▁level . ▁H empt on ▁is ▁about ▁ ▁west ▁of ▁D ed d ington ▁and ▁about ▁ ▁above ▁sea ▁level . ▁The ▁highest ▁point ▁of ▁the ▁r idge ▁is ▁on ▁the ▁western ▁boundary ▁of ▁the ▁parish , ▁more ▁than ▁ ▁above ▁sea ▁level . ▁ ▁The ▁parish ' s ▁top ography ▁is ▁all ud ed ▁to ▁in ▁a ▁local ▁rh yme : ▁A yn ho ▁on ▁the ▁Hill ▁Cl if ton ▁in ▁the ▁Clay ▁D irty , ▁d run ken ▁D ed d ington ▁And ▁H empt on ▁high ▁way ▁— ▁ ▁In ▁the ▁south west ▁of ▁the ▁parish ,