Question: Are both Doñana National Park and Guadarrama National Park areas of marshes, streams, and sand dunes?
Sentence (from "Great Sand Dunes National Park and Preserve"): Great Sand Dunes National Park and Preserve is a United States National Park located in the San Luis Valley, in the easternmost parts of Alamosa County and Saguache County, Colorado, United States.
Relevant evidence: No