| Acreages of Special Designated Areas within National Forest System lands with single designations and Special Designated Areas within National Forest System lands with multiple designations stratified by Inventoried Roadless Area categories within Regions | ||||||||||
| All acreage figures are rounded to the nearest 1,000 and are mutually exclusive (i.e. acreages are not double counted). | ||||||||||
| National Summary | IRA Categories | Sum | ||||||||
| Inventoried Roadless Areas where road construction is Prohibited | Inventoried Roadless Areas recommended for wilderness | Inventoried Roadless Areas where road construction is allowed | ||||||||
| acres (1,000) | acres (1,000) | acres (1,000) | acres (1,000) | |||||||
| Areas with single designations | NGRWP | 56 | 56 | |||||||
| NHA | ||||||||||
| NM | 79 | 79 | ||||||||
| NPA | ||||||||||
| NRA | 214 | 212 | 749 | 1,175 | ||||||
| NSA | 51 | 51 | ||||||||
| NVM | 25 | 2 | 27 | |||||||
| NWA | ||||||||||
| NWSR | 81 | 81 | 162 | |||||||
| NSRA | 1 | 2 | 3 | |||||||
| OCD | 1,266 | 16 | 50 | 1,332 | ||||||
| RNA | 166 | 28 | 55 | 249 | ||||||
| WSA | 782 | 1,820 | 194 | 2,796 | ||||||
| Areas with multiple designations | NM NWSR | 4 | 4 | |||||||
| NM OCD | 23 | 23 | ||||||||
| NM OCD NWSR | 2 | 2 | ||||||||
| NM RNA | ||||||||||
| NRA NWSR | 11 | 11 | 22 | |||||||
| NRA RNA | 4 | 4 | ||||||||
| NWSR OCD | 1 | 1 | ||||||||
| NWSR RNA | 1 | 1 | ||||||||
| NWSR WSA | ||||||||||
| OCD NRA | 1 | 1 | ||||||||
| OCD RNA | 12 | 12 | ||||||||
| WSA NSA | 7 | 7 | ||||||||
| WSA RNA | 5 | 3 | 8 | |||||||
| Sum | 2,728 | 2,083 | 1,205 | 6,015 | ||||||
| SDA Categories | ||||||||||
| NPA - National Primitive Area | NVM - National Volcanic Monument | |||||||||
| NSRA - National Scenic Research Area | NHA - National Historic Area | |||||||||
| NSA - National Scenic Area | WSA - Wilderness Study Area | |||||||||
| NWSR - National Wild & Scenic Rivers | RNA - Research Natural Area | |||||||||
| NRA - National Recreation Area | NWA - National Widerness Area | |||||||||
| NM - National Monument | OCD - Other Congressionally Designated Areas | |||||||||
| NGRWP - National Game Refuge/Wildlife Preserve | ||||||||||
| REGION 1 | IRA Categories | Sum | ||||||||
| Inventoried Roadless Areas where road construction is Prohibited | Inventoried Roadless Areas recommended for wilderness | Inventoried Roadless Areas where road construction is allowed | ||||||||
| acres (1,000) | acres (1,000) | acres (1,000) | acres (1,000) | |||||||
| Areas with single designations | NGRWP | |||||||||
| NHA | ||||||||||
| NM | ||||||||||
| NPA | ||||||||||
| NRA | 15 | 15 | ||||||||
| NSA | 5 | 5 | ||||||||
| NVM | ||||||||||
| NWA | ||||||||||
| NWSR | 1 | 22 | 22 | |||||||
| NSRA | ||||||||||
| OCD | 35 | 16 | 52 | |||||||
| RNA | 20 | 10 | 29 | 58 | ||||||
| WSA | 341 | 55 | 194 | 590 | ||||||
| Areas with multiple designations | NM NWSR | |||||||||
| NM OCD | ||||||||||
| NM OCD NWSR | ||||||||||
| NM RNA | ||||||||||
| NRA NWSR | ||||||||||
| NRA RNA | ||||||||||
| NWSR OCD | ||||||||||
| NWSR RNA | 1 | 1 | ||||||||
| NWSR WSA | ||||||||||
| OCD NRA | ||||||||||
| OCD RNA | ||||||||||
| WSA NSA | 7 | 7 | ||||||||
| WSA RNA | 5 | 3 | 8 | |||||||
| Sum | 406 | 104 | 247 | 757 | ||||||
| SDA Categories | ||||||||||
| NPA - National Primitive Area | NVM - National Volcanic Monument | |||||||||
| NSRA - National Scenic Research Area | NHA - National Historic Area | |||||||||
| NSA - National Scenic Area | WSA - Wilderness Study Area | |||||||||
| NWSR - National Wild & Scenic Rivers | RNA - Research Natural Area | |||||||||
| NRA - National Recreation Area | NWA - National Widerness Area | |||||||||
| NM - National Monument | OCD - Other Congressionally Designated Areas | |||||||||
| NGRWP - National Game Refuge/Wildlife Preserve | ||||||||||
| REGION 2 | IRA Categories | Sum | ||||||||
| Inventoried Roadless Areas where road construction is Prohibited | Inventoried Roadless Areas recommended for wilderness | Inventoried Roadless Areas where road construction is allowed | ||||||||
| acres (1,000) | acres (1,000) | acres (1,000) | acres (1,000) | |||||||
| Areas with single designations | NGRWP | 18 | 18 | |||||||
| NHA | ||||||||||
| NM | ||||||||||
| NPA | ||||||||||
| NRA | 6 | 52 | 59 | |||||||
| NSA | ||||||||||
| NVM | ||||||||||
| NWA | ||||||||||
| NWSR | 4 | 11 | 15 | |||||||
| NSRA | ||||||||||
| OCD | 128 | 128 | ||||||||
| RNA | 14 | 2 | 2 | 18 | ||||||
| WSA | 13 | 13 | ||||||||
| Areas with multiple designations | NM NWSR | |||||||||
| NM OCD | ||||||||||
| NM OCD NWSR | ||||||||||
| NM RNA | ||||||||||
| NRA NWSR | ||||||||||
| NRA RNA | 1 | 1 | ||||||||
| NWSR OCD | ||||||||||
| NWSR RNA | ||||||||||
| NWSR WSA | ||||||||||
| OCD NRA | 1 | 1 | ||||||||
| OCD RNA | ||||||||||
| WSA NSA | ||||||||||
| WSA RNA | ||||||||||
| Sum | 154 | 15 | 83 | 252 | ||||||
| SDA Categories | ||||||||||
| NPA - National Primitive Area | NVM - National Volcanic Monument | |||||||||
| NSRA - National Scenic Research Area | NHA - National Historic Area | |||||||||
| NSA - National Scenic Area | WSA - Wilderness Study Area | |||||||||
| NWSR - National Wild & Scenic Rivers | RNA - Research Natural Area | |||||||||
| NRA - National Recreation Area | NWA - National Widerness Area | |||||||||
| NM - National Monument | OCD - Other Congressionally Designated Areas | |||||||||
| NGRWP - National Game Refuge/Wildlife Preserve | ||||||||||
| REGION 3 | IRA Categories | Sum | ||||||||
| Inventoried Roadless Areas where road construction is Prohibited | Inventoried Roadless Areas recommended for wilderness | Inventoried Roadless Areas where road construction is allowed | ||||||||
| acres (1,000) | acres (1,000) | acres (1,000) | acres (1,000) | |||||||
| Areas with single designations | NGRWP | 39 | 39 | |||||||
| NHA | ||||||||||
| NM | ||||||||||
| NPA | ||||||||||
| NRA | 1 | 44 | 45 | |||||||
| NSA | ||||||||||
| NVM | ||||||||||
| NWA | ||||||||||
| NWSR | 6 | 8 | 14 | |||||||
| NSRA | ||||||||||
| OCD | 27 | 27 | ||||||||
| RNA | 1 | 1 | ||||||||
| WSA | 47 | 125 | 172 | |||||||
| Areas with multiple designations | NM NWSR | |||||||||
| NM OCD | ||||||||||
| NM OCD NWSR | ||||||||||
| NM RNA | ||||||||||
| NRA NWSR | ||||||||||
| NRA RNA | ||||||||||
| NWSR OCD | ||||||||||
| NWSR RNA | ||||||||||
| NWSR WSA | ||||||||||
| OCD NRA | ||||||||||
| OCD RNA | ||||||||||
| WSA NSA | ||||||||||
| WSA RNA | ||||||||||
| Sum | 82 | 125 | 91 | 298 | ||||||
| SDA Categories | ||||||||||
| NPA - National Primitive Area | NVM - National Volcanic Monument | |||||||||
| NSRA - National Scenic Research Area | NHA - National Historic Area | |||||||||
| NSA - National Scenic Area | WSA - Wilderness Study Area | |||||||||
| NWSR - National Wild & Scenic Rivers | RNA - Research Natural Area | |||||||||
| NRA - National Recreation Area | NWA - National Widerness Area | |||||||||
| NM - National Monument | OCD - Other Congressionally Designated Areas | |||||||||
| NGRWP - National Game Refuge/Wildlife Preserve | ||||||||||
| REGION 4 | IRA Categories | Sum | ||||||||
| Inventoried Roadless Areas where road construction is Prohibited | Inventoried Roadless Areas recommended for wilderness | Inventoried Roadless Areas where road construction is allowed | ||||||||
| acres (1,000) | acres (1,000) | acres (1,000) | acres (1,000) | |||||||
| Areas with single designations | NGRWP | |||||||||
| NHA | ||||||||||
| NM | ||||||||||
| NPA | ||||||||||
| NRA | 89 | 197 | 335 | 621 | ||||||
| NSA | ||||||||||
| NVM | ||||||||||
| NWA | ||||||||||
| NWSR | 5 | 5 | ||||||||
| NSRA | 1 | 2 | 3 | |||||||
| OCD | ||||||||||
| RNA | 37 | 16 | 21 | 74 | ||||||
| WSA | ||||||||||
| Areas with multiple designations | NM NWSR | |||||||||
| NM OCD | ||||||||||
| NM OCD NWSR | ||||||||||
| NM RNA | ||||||||||
| NRA NWSR | ||||||||||
| NRA RNA | 2 | 2 | ||||||||
| NWSR OCD | ||||||||||
| NWSR RNA | ||||||||||
| NWSR WSA | ||||||||||
| OCD NRA | ||||||||||
| OCD RNA | ||||||||||
| WSA NSA | ||||||||||
| WSA RNA | ||||||||||
| Sum | 129 | 213 | 363 | 704 | ||||||
| SDA Categories | ||||||||||
| NPA - National Primitive Area | NVM - National Volcanic Monument | |||||||||
| NSRA - National Scenic Research Area | NHA - National Historic Area | |||||||||
| NSA - National Scenic Area | WSA - Wilderness Study Area | |||||||||
| NWSR - National Wild & Scenic Rivers | RNA - Research Natural Area | |||||||||
| NRA - National Recreation Area | NWA - National Widerness Area | |||||||||
| NM - National Monument | OCD - Other Congressionally Designated Areas | |||||||||
| NGRWP - National Game Refuge/Wildlife Preserve | ||||||||||
| REGION 5 | IRA Categories | Sum | ||||||||
| Inventoried Roadless Areas where road construction is Prohibited | Inventoried Roadless Areas recommended for wilderness | Inventoried Roadless Areas where road construction is allowed | ||||||||
| acres (1,000) | acres (1,000) | acres (1,000) | acres (1,000) | |||||||
| Areas with single designations | NGRWP | |||||||||
| NHA | ||||||||||
| NM | 79 | 79 | ||||||||
| NPA | ||||||||||
| NRA | 51 | 16 | 67 | |||||||
| NSA | 11 | 11 | ||||||||
| NVM | ||||||||||
| NWA | ||||||||||
| NWSR | 32 | 16 | 48 | |||||||
| NSRA | ||||||||||
| OCD | 23 | 7 | 29 | |||||||
| RNA | 31 | 31 | ||||||||
| WSA | ||||||||||
| Areas with multiple designations | NM NWSR | 4 | 4 | |||||||
| NM OCD | 23 | 23 | ||||||||
| NM OCD NWSR | 2 | 2 | ||||||||
| NM RNA | ||||||||||
| NRA NWSR | 10 | 10 | 19 | |||||||
| NRA RNA | ||||||||||
| NWSR OCD | 1 | 1 | ||||||||
| NWSR RNA | ||||||||||
| NWSR WSA | ||||||||||
| OCD NRA | ||||||||||
| OCD RNA | 1 | 1 | ||||||||
| WSA NSA | ||||||||||
| WSA RNA | ||||||||||
| Sum | 268 | 48 | 316 | |||||||
| SDA Categories | ||||||||||
| NPA - National Primitive Area | NVM - National Volcanic Monument | |||||||||
| NSRA - National Scenic Research Area | NHA - National Historic Area | |||||||||
| NSA - National Scenic Area | WSA - Wilderness Study Area | |||||||||
| NWSR - National Wild & Scenic Rivers | RNA - Research Natural Area | |||||||||
| NRA - National Recreation Area | NWA - National Widerness Area | |||||||||
| NM - National Monument | OCD - Other Congressionally Designated Areas | |||||||||
| NGRWP - National Game Refuge/Wildlife Preserve | ||||||||||
| REGION 6 | IRA Categories | Sum | ||||||||
| Inventoried Roadless Areas where road construction is Prohibited | Inventoried Roadless Areas recommended for wilderness | Inventoried Roadless Areas where road construction is allowed | ||||||||
| acres (1,000) | acres (1,000) | acres (1,000) | acres (1,000) | |||||||
| Areas with single designations | NGRWP | |||||||||
| NHA | ||||||||||
| NM | ||||||||||
| NPA | ||||||||||
| NRA | 12 | 268 | 280 | |||||||
| NSA | 27 | 28 | ||||||||
| NVM | 25 | 2 | 27 | |||||||
| NWA | ||||||||||
| NWSR | 34 | 13 | 47 | |||||||
| NSRA | ||||||||||
| OCD | 210 | 43 | 253 | |||||||
| RNA | 25 | 3 | 29 | |||||||
| WSA | 15 | 15 | ||||||||
| Areas with multiple designations | NM NWSR | |||||||||
| NM OCD | ||||||||||
| NM OCD NWSR | ||||||||||
| NM RNA | ||||||||||
| NRA NWSR | 1 | 2 | ||||||||
| NRA RNA | 1 | 1 | ||||||||
| NWSR OCD | ||||||||||
| NWSR RNA | ||||||||||
| NWSR WSA | ||||||||||
| OCD NRA | ||||||||||
| OCD RNA | 1 | 1 | ||||||||
| WSA NSA | ||||||||||
| WSA RNA | ||||||||||
| Sum | 337 | 15 | 332 | 683 | ||||||
| SDA Categories | ||||||||||
| NPA - National Primitive Area | NVM - National Volcanic Monument | |||||||||
| NSRA - National Scenic Research Area | NHA - National Historic Area | |||||||||
| NSA - National Scenic Area | WSA - Wilderness Study Area | |||||||||
| NWSR - National Wild & Scenic Rivers | RNA - Research Natural Area | |||||||||
| NRA - National Recreation Area | NWA - National Widerness Area | |||||||||
| NM - National Monument | OCD - Other Congressionally Designated Areas | |||||||||
| NGRWP - National Game Refuge/Wildlife Preserve | ||||||||||
| REGION 8 | IRA Categories | Sum | ||||||||
| Inventoried Roadless Areas where road construction is Prohibited | Inventoried Roadless Areas recommended for wilderness | Inventoried Roadless Areas where road construction is allowed | ||||||||
| acres (1,000) | acres (1,000) | acres (1,000) | acres (1,000) | |||||||
| Areas with single designations | NGRWP | |||||||||
| NHA | ||||||||||
| NM | ||||||||||
| NPA | ||||||||||
| NRA | 14 | 15 | 29 | |||||||
| NSA | 8 | 8 | ||||||||
| NVM | ||||||||||
| NWA | ||||||||||
| NWSR | 3 | 6 | 9 | |||||||
| NSRA | ||||||||||
| OCD | ||||||||||
| RNA | 7 | 7 | ||||||||
| WSA | 14 | 21 | 36 | |||||||
| Areas with multiple designations | NM NWSR | |||||||||
| NM OCD | ||||||||||
| NM OCD NWSR | ||||||||||
| NM RNA | ||||||||||
| NRA NWSR | ||||||||||
| NRA RNA | ||||||||||
| NWSR OCD | ||||||||||
| NWSR RNA | ||||||||||
| NWSR WSA | ||||||||||
| OCD NRA | ||||||||||
| OCD RNA | ||||||||||
| WSA NSA | ||||||||||
| WSA RNA | ||||||||||
| Sum | 46 | 21 | 22 | 89 | ||||||
| SDA Categories | ||||||||||
| NPA - National Primitive Area | NVM - National Volcanic Monument | |||||||||
| NSRA - National Scenic Research Area | NHA - National Historic Area | |||||||||
| NSA - National Scenic Area | WSA - Wilderness Study Area | |||||||||
| NWSR - National Wild & Scenic Rivers | RNA - Research Natural Area | |||||||||
| NRA - National Recreation Area | NWA - National Widerness Area | |||||||||
| NM - National Monument | OCD - Other Congressionally Designated Areas | |||||||||
| NGRWP - National Game Refuge/Wildlife Preserve | ||||||||||
| REGION 9 | IRA Categories | Sum | ||||||||
| Inventoried Roadless Areas where road construction is Prohibited | Inventoried Roadless Areas recommended for wilderness | Inventoried Roadless Areas where road construction is allowed | ||||||||
| acres (1,000) | acres (1,000) | acres (1,000) | acres (1,000) | |||||||
| Areas with single designations | NGRWP | |||||||||
| NHA | ||||||||||
| NM | ||||||||||
| NPA | ||||||||||
| NRA | 33 | 19 | 52 | |||||||
| NSA | ||||||||||
| NVM | ||||||||||
| NWA | ||||||||||
| NWSR | 1 | 1 | ||||||||
| NSRA | ||||||||||
| OCD | ||||||||||
| RNA | 3 | 3 | ||||||||
| WSA | ||||||||||
| Areas with multiple designations | NM NWSR | |||||||||
| NM OCD | ||||||||||
| NM OCD NWSR | ||||||||||
| NM RNA | ||||||||||
| NRA NWSR | 1 | 1 | ||||||||
| NRA RNA | ||||||||||
| NWSR OCD | ||||||||||
| NWSR RNA | ||||||||||
| NWSR WSA | ||||||||||
| OCD NRA | ||||||||||
| OCD RNA | ||||||||||
| WSA NSA | ||||||||||
| WSA RNA | ||||||||||
| Sum | 38 | 19 | 58 | |||||||
| SDA Categories | ||||||||||
| NPA - National Primitive Area | NVM - National Volcanic Monument | |||||||||
| NSRA - National Scenic Research Area | NHA - National Historic Area | |||||||||
| NSA - National Scenic Area | WSA - Wilderness Study Area | |||||||||
| NWSR - National Wild & Scenic Rivers | RNA - Research Natural Area | |||||||||
| NRA - National Recreation Area | NWA - National Widerness Area | |||||||||
| NM - National Monument | OCD - Other Congressionally Designated Areas | |||||||||
| NGRWP - National Game Refuge/Wildlife Preserve | ||||||||||
| REGION 10 | IRA Categories | Sum | ||||||||
| Inventoried Roadless Areas where road construction is Prohibited | Inventoried Roadless Areas recommended for wilderness | Inventoried Roadless Areas where road construction is allowed | ||||||||
| acres (1,000) | acres (1,000) | acres (1,000) | acres (1,000) | |||||||
| Areas with single designations | NGRWP | |||||||||
| NHA | ||||||||||
| NM | ||||||||||
| NPA | ||||||||||
| NRA | 7 | 7 | ||||||||
| NSA | ||||||||||
| NVM | ||||||||||
| NWA | ||||||||||
| NWSR | ||||||||||
| NSRA | ||||||||||
| OCD | 843 | 843 | ||||||||
| RNA | 28 | 28 | ||||||||
| WSA | 380 | 1,590 | 1,970 | |||||||
| Areas with multiple designations | NM NWSR | |||||||||
| NM OCD | ||||||||||
| NM OCD NWSR | ||||||||||
| NM RNA | ||||||||||
| NRA NWSR | ||||||||||
| NRA RNA | ||||||||||
| NWSR OCD | ||||||||||
| NWSR RNA | ||||||||||
| NWSR WSA | ||||||||||
| OCD NRA | ||||||||||
| OCD RNA | 10 | 10 | ||||||||
| WSA NSA | ||||||||||
| WSA RNA | ||||||||||
| Sum | 1,268 | 1,590 | 2,858 | |||||||
| SDA Categories | ||||||||||
| NPA - National Primitive Area | NVM - National Volcanic Monument | |||||||||
| NSRA - National Scenic Research Area | NHA - National Historic Area | |||||||||
| NSA - National Scenic Area | WSA - Wilderness Study Area | |||||||||
| NWSR - National Wild & Scenic Rivers | RNA - Research Natural Area | |||||||||
| NRA - National Recreation Area | NWA - National Widerness Area | |||||||||
| NM - National Monument | OCD - Other Congressionally Designated Areas | |||||||||
| NGRWP - National Game Refuge/Wildlife Preserve | ||||||||||