New, man-made hills on NYC island offer spectacular views

Four new hills built on New York City's Governors Island offer sweeping views of the Statute of Liberty and lower Manhattan, unique places to hike and climb, and massive slides that dwarf those found on any playground.

Set to open Tuesday, the 10-acre park called The Hills at Governors Island is the newest piece of the redevelopment of the once off-limits former Army and Coasts Guard base in the heart of New York Harbor.

The four hills, built in part with fill and debris from demolition of the island's old barracks, range from 26 feet to 70 feet high, and have been lushly planted with trees, shrubs and grasses by New York-based Mathews Nielsen Landscape Architects. One,...