Castle Mountains National MonumentvsDevils Postpile National Monument
Castle Mountains National Monument has a higher Total Area (21,026 vs 800 acres), while Devils Postpile National Monument has a higher Latitude (38 vs 35 °), while Castle Mountains National Monument has a higher Longitude (-115 vs -119 °).
Location & Classification
National Monument
Designation
National Monument
CA
State(s)
CA
35
Latitude
38
-115
Longitude
-119
Size & Visitation
21,026
Total Area
800
N/A
Annual Visitors (2025)
99,652
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Data sourced from NPS Boundary & Tract Data Service (US Government (public domain)), NPS Visitor Use Statistics (2025) (CC0 (public domain)), NPS Acreage Report (Q1 2026) (US Government (public domain)).