National Park Service
The National Park Service appears here through the wilderness areas designated inside national parks. The parks themselves are on Park Atlas. 61 units on this site, 45 million acres together. Largest first.
Data refreshed September 17, 2026.
Wilderness areas
- 9.4 million acres
- 7.2 million acres
- 5.8 million acres
- 3.3 million acres
- 3.2 million acresDeath Valley WildernessCA and NV
- 2.7 million acres
- 2.6 million acres
- 2.1 million acres
- 1.3 million acres
- 876,447 acres
- 768,222 acres
- 704,624 acres
- 695,200 acres
- 638,173 acres
- 595,364 acres
- 312,600 acres
- 249,126 acres
- 231,619 acres
- 228,480 acres
- 219,891 acres
- 176,000 acres
- 132,018 acres
- 124,406 acres
- 123,100 acres
- 79,579 acres
- 79,061 acres
- 77,932 acres
- 70,905 acres
- 64,144 acres
- 50,260 acres
Show all 61Hide
- 48,154 acres
- 46,850 acres
- 43,243 acres
- 39,740 acres
- 39,631 acres
- 39,173 acres
- 34,933 acres
- 33,500 acres
- 33,466 acres
- 33,125 acres
- 32,643 acres
- 32,557 acres
- 32,016 acres
- 29,920 acres
- 28,460 acres
- 27,315 acres
- 24,710 acres
- 23,267 acres
- 21,700 acres
- 18,879 acres
- 17,220 acres
- 16,423 acres
- 15,985 acres
- 15,599 acres
- 11,740 acres
- 10,290 acres
- 9,907 acres
- 8,500 acres
- 7,761 acres
- 4,630 acres
- 1,381 acres