National Monuments, National Conservation Areas and Similar Designations Summary Tables
For detailed State-level information on National Monuments, National Conservation Areas, and Similar Designations visit the detail table or select the State of interest below.
National Monuments
| State | Number | BLM Acres |
|---|---|---|
| Arizona | 6 | 2,307,525 |
| California* | 9 | 2,785,903 |
| Colorado | 2 | 185,793 |
| Idaho | 1 | 275,076 |
| Montana | 2 | 377,397 |
| Nevada | 3 | 1,443,354 |
| New Mexico | 4 | 749,166 |
| Oregon* | 1 | 107,653 |
| Utah | 3 | 2,945,758 |
| Washington | 1 | 970 |
| Totals | 31 | 11,178,595 |
National Monuments: as of January 2026. Data are generalized for informal use. Conditions on the ground may differ.
*Cascade-Siskiyou National Monument is in both California and Oregon, it is counted only once in the totals and acreage is assigned to the respective State.
National Conservation Areas
| State | Number | BLM Acres |
|---|---|---|
| Alaska | 1 | 1,208,624 |
| Arizona | 3 | 120,170 |
| California | 1 | 62,562 |
| Colorado* | 3 | 391,711 |
| Idaho | 1 | 483,700 |
| Nevada | 5 | 1,208,439 |
| New Mexico | 2 | 251,976 |
| Utah* | 4 | 143,304 |
| Totals | 19 | 3,870,485 |
National Conservation Areas: as of January 2026. Data are generalized for informal use. Conditions on the ground may differ.
*McInnis Canyons National Conservation Area is in both Colorado and Utah, it is counted only once in the totals and acreage is assigned to the respective State.
National Scenic Area
| State | Number | BLM Acres |
|---|---|---|
| California | 1 | 18,610 |
| Totals | 1 | 18,610 |
As of January 2026. Data are generalized for informal use. Conditions on the ground may differ.
Cooperative Management and Protection Area
| State | Number | BLM Acres |
|---|---|---|
| Oregon | 1 | 428,440 |
| Totals | 1 | 428,440 |
As of January 2026. Data are generalized for informal use. Conditions on the ground may differ.
Outstanding Natural Area
| State | Number | BLM Acres |
|---|---|---|
| California | 1 | 20 |
| Eastern States (Florida) | 1 | 86 |
| Oregon | 1 | 95 |
| Totals | 3 | 201 |
As of January 2026. Data are generalized for informal use. Conditions on the ground may differ.
Forest Reserve
| State | Number | BLM Acres |
|---|---|---|
| California | 1 | 7,472 |
| Totals | 1 | 7,472 |
As of January 2026. Data are generalized for informal use. Conditions on the ground may differ.