▁to ▁Mil ton ▁Ke yn es ▁road ▁and ▁the ▁A 5 0 7 ▁A mp th ill ▁to ▁W ob urn ▁road . ▁L id ling ton ▁railway ▁station ▁is ▁on ▁the ▁Mar ston ▁V ale ▁Line ▁which ▁gives ▁good ▁access ▁for ▁walk ers ▁along ▁the ▁Gre ens and ▁R idge ▁long ▁distance ▁foot path ▁which ▁passes ▁nearby ▁the ▁village . ▁Local ▁spec ulation ▁is ▁that ▁the ▁r idge ▁was ▁the ▁model ▁for ▁the ▁" De lect able ▁Mountains " ▁in ▁John ▁Bun yan ' s ▁Pil gr im ' s ▁Progress . ▁L id ling ton ▁Hill ▁may ▁also ▁be ▁Bun yan ' s ▁" H ill ▁of ▁D iff icult y ". ▁ ▁L id ling ton ▁is ▁adjacent ▁to ▁the ▁site ▁of ▁the ▁Mill bro ok ▁Pro ving ▁Gr ound ▁( former ly ▁the ▁V aux hall ▁test ▁track ), ▁which ▁is ▁distinguish able ▁from ▁the ▁air ▁by ▁its ▁large ▁circular ▁track . ▁To ▁the ▁north ▁of ▁the ▁Par ish ▁of ▁L id ling ton ▁is ▁C ran field ▁Airport , ▁used ▁by ▁small ▁aircraft ▁and ▁for ▁training ▁fl ights . ▁ ▁To ▁the ▁west ▁of ▁the ▁village ▁at ▁the ▁former ▁brick ▁works ▁is ▁a ▁business ▁park ▁which ▁is ▁home ▁to ▁Amazon . com ▁UK . ▁The ▁former ▁brick works ▁to ▁the ▁east ▁of ▁the ▁village ▁are ▁known ▁as ▁L id ling ton ▁Pit ▁and ▁forms ▁part ▁of ▁the ▁reg ener ation ▁of ▁the ▁Forest ▁of ▁Mar ston ▁V ale ▁area . ▁ ▁Like ▁many ▁other ▁villages ▁in ▁the ▁area