Return to the Perilous Highlands is the eleventh level of Jurassic Park III: The DNA Factor.
Pachycephalosaurus were encountered on the upper areas of the mountainous regions. A nuisance was that the Pteranodon patrolled the area with the long ladders. The Pteranodon also occupied the area that been the lair of the Ankylosaurus.
After repairing the last DNA strand, you will unlock the Spinosaurus for the last level.