▁elev ation ▁to ▁the ▁cal der a ▁of ▁the ▁vol cano ▁takes ▁approximately ▁ 1 4 ▁hours ▁with ▁several ▁stops ▁( pos ) ▁en ▁route ▁to ▁the ▁top . ▁The ▁trail ▁leads ▁through ▁dense ▁j ung le ▁with ▁wild life ▁such ▁as ▁Ela e oc arp us ▁bat ud ul ang ii , ▁Asian ▁water ▁monitor , ▁ret ic ulated ▁python , ▁ha w ks , ▁orange - fo oted ▁scr ub f ow l , ▁pale - should ered ▁cic ad ab ird ▁( Cor ac ina ▁do h ert yi ), ▁brown ▁and ▁scal y - c rown ed ▁h one ye ater , ▁yellow - cr ested ▁co ck ato o , ▁yellow - ring ed ▁white - ey e , ▁hel met ed ▁fri ar bird , ▁wild ▁bo ar , ▁J avan ▁r usa ▁and ▁c rab - e ating ▁mac a ques . ▁ ▁Ge ological ▁history ▁ ▁Form ation ▁▁ ▁Tamb ora ▁is ▁located ▁ ▁north ▁of ▁the ▁Java ▁T rench ▁system ▁and ▁ ▁above ▁the ▁upper ▁surface ▁of ▁the ▁active ▁north - di pping ▁sub du ction ▁zone . ▁S umb awa ▁Island ▁is ▁fl ank ed ▁to ▁the ▁north ▁and ▁south ▁by ▁ocean ic ▁cr ust . ▁The ▁convergence ▁rate ▁of ▁the ▁Australian ▁Pl ate ▁beneath ▁the ▁S unda ▁Pl ate ▁is ▁ ▁per ▁year . ▁Est im ates ▁for ▁the ▁on set ▁of ▁the ▁vol can ism ▁at ▁Mount ▁Tamb ora ▁range ▁from ▁ 5 7 , ▁to ▁ 4 3 ▁ka .