Devils Postpile National MonumentvsJohnstown Flood National Memorial

Johnstown Flood National Memorial has a higher Longitude (-79 vs -119 °), while Devils Postpile National Monument has a higher Annual Visitors (2025) (99,652 vs 74,977 visitors), while Johnstown Flood National Memorial has a higher Latitude (40 vs 38 °).

Location & Classification

National Monument

Designation

National Memorial

CA

State(s)

PA

38

Latitude

40

-119

Longitude

-79

Size & Visitation

800

Total Area

N/A

99,652

Annual Visitors (2025)

74,977

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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)).