Devils Postpile National MonumentvsHaleakala National Park

Haleakala National Park has a higher Total Area (33,489 vs 800 acres), while Haleakala National Park has a higher Annual Visitors (2025) (853,711 vs 99,652 visitors), while Devils Postpile National Monument has a higher Latitude (38 vs 21 °).

Location & Classification

National Monument

Designation

National Park

CA

State(s)

HI

38

Latitude

21

-119

Longitude

-156

Size & Visitation

800

Total Area

33,489

99,652

Annual Visitors (2025)

853,711

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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)).