ille y ▁( 1 9 8 2 – 1 9 8 9 ) ▁ ▁Geography ▁▁ ▁The ▁g ul ly ▁to ▁which ▁the ▁city ▁name ▁refers ▁actually ▁exists ▁and ▁is ▁known ▁to ▁be ▁s izable ▁as ▁it ▁provided ▁a ▁gradient ▁negoti able ▁only ▁by ▁bul lock ▁w ag ons ▁trav elling ▁through ▁the ▁M t . ▁Lo fty ▁R anges . ▁Additionally ▁the ▁g ul ly ▁had ▁permanent ▁fresh water ▁spr ings ▁which ▁promoted ▁the ▁growth ▁of ▁tea ▁trees ▁in ▁the ▁area ▁– ▁thus ▁the ▁event ual ▁name ▁' Te a ▁Tree ▁Gul ly '. ▁ ▁The ▁ ▁An st ey ▁Hill ▁Rec re ation ▁Park ▁is ▁adjacent ▁to ▁the ▁sub ur bs ▁of ▁V ista ▁and ▁Te a ▁Tree ▁Gul ly . ▁ ▁Sister ▁cities ▁ ▁The ▁City ▁of ▁Te a ▁Tree ▁Gul ly , ▁has ▁one ▁sister ▁city . ▁it ▁is ▁the : ▁▁ ▁As ak uch i , ▁Japan ▁( A pril ▁ 2 0 0 6 ) ▁ ▁See ▁also ▁▁ ▁List ▁of ▁Ad ela ide ▁par ks ▁and ▁gard ens ▁ ▁Notes ▁and ▁references ▁Notes ▁ ▁Reference ▁ ▁External ▁links ▁▁ ▁City ▁of ▁Te a ▁Tree ▁Gul ly ▁Library ▁Gallery ▁ 1 8 5 5 ▁City ▁of ▁Te a ▁Tree ▁Gul ly ▁community ▁profile ▁( I . D . ▁Cons ult ing ▁P ty ▁Ltd ) ▁Council ▁boundaries ▁at ▁June ▁ 2 0 0 4 ▁( City ▁of ▁Te a ▁Tree ▁Gul ly ) ▁ ▁Category : Local ▁government ▁areas ▁of ▁South ▁Australia ▁Category : Local ▁government ▁areas