[1] The 740.95 km2 (286.08 sq mi) large area of Maiella National Park, especially the Montagna della Majella, has been subject to a major international geoscientific research project, TaskForceMajella, from 1998 up to 2005.

Along the northern slope of the mountain for thousands of years hydrocarbon extraction has occurred from spontaneous seepages and shallow wells.

The most representative animal of the Majella territories is the Italian wolf which is also present in the park's logo and it relies on a population of 100 estimated wolves distributed in eleven packs across the main mountain ranges of the protected area.

Notable also the presence of species of the following animals: The amphibians and reptiles that live in this mountainous landscape are the spectacled salamander, the yellow-billed toad and the unique Orsini's viper.

Also goshawk, buzzard, rock partridge, alpine and red-billed chough, peregrine falcon and sparrow hawk are some important bird species that breed inside the park.