Petroglyph National MonumentvsPiscataway Park
Petroglyph National Monument has a higher Total Area (7,204 vs 4,620 acres), while Piscataway Park has a higher Longitude (-77 vs -107 °), while Petroglyph National Monument has a higher Annual Visitors (2025) (310,672 vs 275,070 visitors).
Location & Classification
National Monument
Designation
Other Designation
NM
State(s)
MD
35
Latitude
39
-107
Longitude
-77
Size & Visitation
7,204
Total Area
4,620
310,672
Annual Visitors (2025)
275,070
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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)).