  acadia national park is a national park located in the u.s. state of maine. it reserves much of mount desert island, and associated smaller islands, off the atlantic coast. originally created as lafayette national park in 1919, the oldest national park east of the mississippi river, it was renamed acadia in 1929. ==history== the area was originally inhabited by the wabanaki people.commissioned by the national park service, a 2-volume report "asticou's island domain: wabanaki peoples at mount desert island 1500â2000" (2007) was authored by harald e.l. prins and bunny mcbride. this digital text detailing acadia national parkâs cultural and natural history is freely accessible nps.gov while he was sailing down the coast of what is now maine in the fall of 1604, samuel de champlain observed a large inshore island. he wrote: "that same day we also passed near an island about four or five leagues [] in length, off which we were almost lost on a little rock, level with the surface of the water, which made a hole in our pinnace close to the keel. the distance from this island to the mainland on the north is not a hundred paces. it is very high and cleft in places, giving it the appearance from the sea of seven or eight mountains one alongside the other. the tops of them are bare of trees, because there is nothing there but rocks. the woods consist only of pines, firs, and birches. he named it mount desert island."{{cite web|last=canadian-american center cartogra
Acadia_National_Park IUCN_Category_II Institutions_founded_by_the_Rockefeller_family Mount_Desert_Island