  km ². ▁ ▁Geography ▁P rain ha ▁is ▁located ▁on ▁the ▁northern ▁coast ▁of ▁the ▁municipality ▁of ▁São ▁Ro que ▁do ▁P ico , ▁but tr essed ▁by ▁par ishes ▁of ▁R iber inha ▁in ▁the ▁east , ▁and ▁the ▁village ▁of ▁São ▁Miguel ▁Ar can jo ▁( in ▁the ▁neighbor ing ▁parish ▁of ▁São ▁Ro que ) ▁to ▁the ▁west . ▁Gener ally , ▁the ▁parish ▁is ▁located ▁on ▁a ▁high ▁coast al ▁plate au ▁and ▁s lop es ▁progress ively ▁towards ▁to ▁the ▁Ach ada ▁P lain ▁in ▁the ▁interior . ▁ ▁The ▁E str ada ▁Regional ▁E . R . 1 - 1 ª ▁runs ▁along ▁the ▁coast al ▁plate au ▁and ▁links ▁to ▁its ▁neighb ors , ▁while ▁later al ▁roads ▁cross ▁it ▁per pend icular ly ▁to ▁connect ▁to ▁the ▁semi - is ol ated ▁settlement s . ▁To ▁about ▁mid - alt itudes ▁and ▁around ▁the ▁regional ▁road ▁most ▁of ▁the ▁parc els ▁of ▁land ▁are ▁used ▁for ▁cattle - ra ising ▁and ▁cultiv ation , ▁above ▁these ▁areas ▁the ▁more ▁mountain ous ▁landscape ▁is ▁covered ▁in ▁dense ▁veget ation ▁and ▁scr ub ▁for ests . ▁ ▁The ▁parish ▁is ▁also ▁affected ▁by ▁dens er ▁veget ation ▁in ▁the ▁eastern ▁front ier ▁with ▁R ibe ir inha , ▁and ▁a ▁sw ath ▁of ▁forest ▁and ▁en demic ▁plants ▁in ▁the ▁western ▁coast . ▁ ▁This ▁latter ▁area , ▁extends ▁from ▁the ▁coast ▁to ▁the ▁interior , ▁and ▁per tain s ▁to ▁the ▁Rec re ational ▁Forest