▁the ▁Rod ov ia ▁Long itud inal ▁or ▁the ▁BR - 1 0 1 . ▁It ▁is ▁located ▁east ▁of ▁São ▁Paulo ▁and ▁east / n orth / east ▁of ▁Santos ▁and ▁west ▁of ▁Rio ▁de ▁Janeiro . ▁The ▁city ▁lies ▁on ▁the ▁Trop ic ▁of ▁Cap ric orn . ▁ ▁The ▁urban ▁area ▁is ▁mainly ▁concentr ated ▁in ▁the ▁Atlantic ▁and ▁valley ▁areas . ▁The ▁city ▁frequently ▁receives ▁rain , ▁hence ▁the ▁nick name ▁U ba ▁Ch u va ▁( ch u va ▁being ▁Portuguese ▁for ▁" rain "). ▁Much ▁of ▁the ▁land ▁to ▁the ▁north ▁is ▁for ested ▁and ▁mountain ous , ▁forming ▁a ▁part ▁of ▁the ▁Ser ra ▁do ▁Mar ▁mountains . ▁Ser ra ▁do ▁Mar ▁State ▁Park ▁covers ▁ 8 3 % ▁of ▁the ▁city ▁and ▁has ▁few ▁conne ctor ▁roads ▁through ▁the ▁mountain ▁range . ▁ ▁The ▁municipality ▁contains ▁part ▁of ▁the ▁T up in amb ás ▁E colog ical ▁Station , ▁which ▁protect s ▁some ▁of ▁the ▁coast al ▁islands . ▁A ▁marine ▁park ▁was ▁created ▁under ▁Pro jet o ▁T A MA R ▁( TA MA R ▁Project ) ▁to ▁protect ▁sea ▁t urt les . ▁In ▁addition , ▁the ▁Ocean ographic ▁Institute ▁of ▁the ▁University ▁of ▁São ▁Paulo ▁runs ▁the ▁Clar im undo ▁de ▁Jesus ▁research ▁base ▁in ▁U bat uba . ▁ ▁Tour ism ▁U bat uba ▁is ▁an ▁important ▁tour ist ▁city , ▁receiving ▁tour ists ▁from ▁many ▁parts ▁of ▁Brazil . ▁U bat uba ▁features ▁over ▁ 1 0 0 ▁be aches