Devils Postpile National MonumentvsTheodore Roosevelt Island
Theodore Roosevelt Island has a higher Annual Visitors (2025) (159,828 vs 99,652 visitors), while Theodore Roosevelt Island has a higher Longitude (-77 vs -119 °), while Theodore Roosevelt Island has a higher Latitude (39 vs 38 °).
Location & Classification
National Monument
Designation
National Memorial
CA
State(s)
DC
38
Latitude
39
-119
Longitude
-77
Size & Visitation
800
Total Area
N/A
99,652
Annual Visitors (2025)
159,828
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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)).