<P> The island is in the shape of a reverse tear - drop, with high mountains occupying the northern end and flat plain to the south . The variations in altitude create an array of micro-climates, with tropical rainforest dominating the lower elevations and temperate rainforest occupying the high elevations to the north . Isla Nublar means' Clouded Island' in Spanish, so - called because the steam vents and ocean currents cause overcast conditions and cloud forest on the island most of the time . At the center of the island is a huge artificial lagoon spanning the Tyrannosaur and Maiasaur paddocks which feeds into a river that flows to the north, through the Dilophosaur paddock and ends in an artificial waterfall which masks the entrance to a utility tunnel . </P> <P> In the novel InGen has built an extensive infrastructure to house visitors and contain 15 different breeds of dinosaurs, centered in the northeast sector of Isla Nublar . The Visitor Center is located at the base of the mountains in its own compound . There is a separate hotel, or lodge, for visitor accommodation with a landscaped pool area . The visitor center contains exhibit space for educational purposes, the laboratories, the operations room, a garage where the electric touring cars are housed, and a hatchery where visitors can observe newborn dinosaurs . John Hammond also possesses a private bungalow in a secluded area near the Visitors Center compound . Two docks - at the east and north ends of the island - manage supply shipments from the mainland . A theme - park river ride is under construction, as well as an aviary to house the pterosaurs . There is also a mountain - top luxury restaurant still under construction when the events in the novel take place . Criss - crossing the island are miles of underground concrete maintenance tunnels which connect the paddocks . </P> <P> The novel ends with the Costa Rican military dropping a napalm bomb on the island, decimating all the dinosaurs . This is confirmed in Crichton's 1995 sequel The Lost World . </P> <P> Isla Nublar as depicted in Jurassic Park is a large, mountainous island of lush tropical rainforest, 120 miles (190 km) west of Costa Rica . It was leased to John Hammond's InGen Corporation and construction of Jurassic Park is nearing completion after five years of building when the events in the movie take place . </P>

What happened to the dinosaurs on isla nublar
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