Washington Heights is a neighborhood in the northern part of Manhattan, New York City. It is located between 155th Street and Dyckman Street in the Washington Heights-Inwood area. The name comes from Fort Washington, which was built in 1776 during the Revolutionary War. The area is known for its diverse population, with people from all over the world living there. The answer to the crossword puzzle is RAINIER, which is a mountain located in the Cascade Range in Washington State. It is the highest mountain in the state and is an active volcano.