What is the name of the national parks in Maine were you see colorful threes?

You see red,orange and beutifal colers.I saw it on travel chanel.I forgot the name of the park.

Maybe you are thinking of The Arcadia National Park on Main’s coastline.
The link below provides park information:
http://www.acadia.national-park.com/

Or it could be the Appalachian National Scenic Trail:
http://www.nps.gov/appa

The above answer is quite corrrect, in the north eastern states you don’t really need to travel to a state park to see the colour. Drive along any road for glorious tree colour.