National Monuments
|
State
|
National Monument
|
District Office
|
Field Office
|
Public Law/Proclamation
|
Date of Designation
|
Updates to Designation
|
BLM Acres
|
Other Federal Acres
|
*State and Private Inholdings
|
Total Monument Acres (Federal only)
|
|---|---|---|---|---|---|---|---|---|---|---|
|
AZ
|
Agua Fria
|
Phoenix
|
Hassayampa
|
Proclamation 7263
|
1/11/2000
|
70,980
|
0
|
1,364
|
70,980
|
|
|
AZ
|
Baaj Nwaavjo I’tah Kukveni—Ancestral Footprints of the Grand Canyon
|
Arizona Strip
|
Arizona Strip
|
Proclamation 10606
|
8/8/2023
|
529,242
|
388,376
|
42,409
|
917,618
|
|
|
AZ
|
Grand Canyon-Parashant
|
Arizona Strip
|
Proclamation 7265
|
1/11/2000
|
812,581
|
208,449
|
27,291
|
1,021,030
|
||
|
AZ
|
Ironwood Forest
|
Gila
|
Tucson
|
Proclamation 7320
|
6/9/2000
|
128,756
|
299
|
59,573
|
129,055
|
|
|
AZ
|
Sonoran Desert
|
Phoenix
|
Lower Sonoran
|
Proclamation 7397
|
1/17/2001
|
486,400
|
0
|
10,000
|
486,400
|
|
|
AZ
|
Vermilion Cliffs
|
Arizona Strip
|
Arizona Strip
|
Proclamation 7374
|
11/9/2000
|
279,566
|
0
|
14,121
|
279,566
|
|
|
State Total
|
2,307,525
|
597,124
|
154,758
|
2,904,649
|
||||||
|
CA
|
Berryessa Snow Mountain
|
Central California
|
Ukiah
|
Proclamation 9298
|
7/10/2015
|
Proclamation 10745 (5/2/2024)
|
147,262
|
197,214
|
0
|
344,476
|
|
CA
|
California Coastal
|
Northern California, Central California, and California Desert
|
Arcata, Bakersfield, Central Coast, Palm Springs-South Coast, and Ukiah
|
Proclamation 7264
|
1/11/2000
|
Proclamation 9089 (3/11/2014), Proclamation 9563 (1/12/2017)
|
8,858
|
0
|
0
|
8,858
|
|
CA
|
Carrizo Plain
|
Central California
|
Bakersfield
|
Proclamation 7393
|
1/17/2001
|
211,045
|
0
|
35,772
|
211,045
|
|
|
CA
|
Chuckwalla
|
California Desert
|
Palm Springs-South Coast
|
Proclamation 10881
|
1/14/2025
|
624,270
|
739,193
|
|||
|
CA
|
Fort Ord
|
Central California
|
Central Coast
|
Proclamation 8803
|
4/20/2012
|
7,212
|
7,446
|
0
|
14,658
|
|
|
CA
|
Mojave Trails
|
California Desert
|
Barstow, Needles, and Palm Springs-South Coast
|
Proclamation 9395
|
2/12/2016
|
1,600,000
|
0
|
0
|
1,600,000
|
|
|
CA
|
Sand to Snow
|
California Desert
|
Barstow and Palm Springs-South Coast
|
Proclamation 9396
|
2/12/2016
|
83,000
|
71,000
|
0
|
154,000
|
|
|
CA
|
Santa Rosa and San Jacinto Mountains
|
California Desert
|
Palm Springs-South Coast
|
Public Law 106-351
|
10/24/2000
|
Public Law 111-11 (3/30/2009)
|
98,981
|
70,115
|
110,926
|
169,096
|
|
State Total
|
2,780,628
|
345,775
|
146,698
|
3,126,403
|
||||||
|
CO
|
Browns Canyon
|
Rocky Mountain
|
Royal Gorge
|
Proclamation 9232
|
2/19/2015
|
9,793
|
11,811
|
0
|
21,604
|
|
|
CO
|
Canyons of the Ancients
|
Southwest
|
Tres Rios
|
Proclamation 7317
|
6/9/2000
|
176,000
|
370
|
8,630
|
176,370
|
|
|
State Total
|
185,793
|
12,181
|
8,630
|
197,974
|
||||||
|
ID
|
Craters of the Moon
|
Twin Falls
|
Shoshone
|
Proclamation 7373
|
11/9/2000
|
275,076
|
463,344
|
14,824
|
738,420
|
|
|
State Total
|
275,076
|
463,344
|
14,824
|
738,420
|
||||||
|
MT
|
Pompeys Pillar
|
Eastern Montana/Dakotas
|
Billings
|
Proclamation 7396
|
1/17/2001
|
51
|
0
|
0
|
51
|
|
|
MT
|
Upper Missouri River Breaks
|
North Central Montana
|
Lewistown
|
Proclamation 7398
|
1/17/2001
|
377,346
|
0
|
120,475
|
377,346
|
|
|
State Total
|
377,397
|
0
|
120,475
|
377,397
|
||||||
|
NM
|
Kasha-Katuwe Tent Rocks
|
Proclamation 7394
|
1/17/2001
|
4,647
|
0
|
757
|
4,647
|
|||
|
NM
|
Organ Mountains-Desert Peaks
|
Proclamation 9131
|
5/21/2014
|
496,529
|
0
|
77,008
|
496,529
|
|||
|
NM
|
Prehistoric Trackways
|
PL 111-11
|
3/30/2009
|
5,280
|
0
|
0
|
5,280
|
|||
|
NM
|
Rio Grande del Norte
|
Proclamation 8946
|
3/25/2013
|
242,710
|
0
|
68,020
|
242,710
|
|||
|
State Total
|
749,166
|
0
|
145,785
|
749,166
|
||||||
|
NV
|
Avi Kwa Ame
|
Proclamation 10533
|
3/21/2023
|
442,832
|
63,901
|
0
|
506,733
|
|||
|
NV
|
Basin and Range
|
Proclamation 9297
|
7/10/2015
|
703,585
|
0
|
4,438
|
703,585
|
|||
|
NV
|
Gold Butte
|
Proclamation 9559
|
12/28/2016
|
296,937
|
0
|
0
|
296,937
|
|||
|
State Total
|
1,443,354
|
63,901
|
4,438
|
1,507,255
|
||||||
|
OR
|
Cascade-Siskiyou
|
Medford
|
Ashland
|
Proclamation 7318
|
6/9/2000
|
Proclamation 9564 (1/12/2017)
|
112,928
|
0
|
19,752
|
112,928
|
|
State Total
|
112,928
|
0
|
19,752
|
112,928
|
||||||
|
UT
|
Bears Ears
|
Proclamation 9558,
|
12/28/2016
|
1,074,908
|
289,040
|
26,911
|
1,363,948
|
|||
|
UT
|
Grand Staircase-Escalante
|
Proclamation 6920
|
9/19/1996
|
1,870,000
|
0
|
2,478
|
1,870,000
|
|||
|
UT
|
Jurassic
|
PL 116-9
|
3/12/2019
|
850
|
0
|
0
|
850
|
|||
|
State Total
|
2,945,758
|
289,040
|
29,389
|
3,234,798
|
||||||
|
WA
|
San Juan Islands
|
Proclamation 8947
|
3/25/2013
|
970
|
0
|
0
|
970
|
|||
|
State Total
|
970
|
0
|
0
|
970
|
||||||
|
Total Acres
|
11,178,595
|
1,771,365
|
759,672
|
13,064,883
|
No warranty is made by the BLM as to the accuracy, reliability, or completeness of these data for use or for purposes not intended by BLM.
*State and Private inholdings are not part of the National Monument.