Lassen Volcanic National ParkvsThomas Jefferson Memorial
Thomas Jefferson Memorial has a higher Annual Visitors (2025) (2,551,114 vs 504,777 visitors), while Thomas Jefferson Memorial has a higher Longitude (-77 vs -121 °), while Lassen Volcanic National Park has a higher Latitude (40 vs 39 °).
Location & Classification
National Park
Designation
National Memorial
CA
State(s)
DC
40
Latitude
39
-121
Longitude
-77
Size & Visitation
106,589
Total Area
N/A
504,777
Annual Visitors (2025)
2,551,114
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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)).