Devils Postpile National MonumentvsKeweenaw National Historical Park
Devils Postpile National Monument has a higher Annual Visitors (2025) (99,652 vs 35,489 visitors), while Keweenaw National Historical Park has a higher Total Area (1,870 vs 800 acres), while Keweenaw National Historical Park has a higher Longitude (-89 vs -119 °).
Location & Classification
National Monument
Designation
National Historical Park
CA
State(s)
MI
38
Latitude
47
-119
Longitude
-89
Size & Visitation
800
Total Area
1,870
99,652
Annual Visitors (2025)
35,489
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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)).