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50-state metal detecting intelligence

Maryland National Parks Metal Detecting

Official-source rules, permission pathways, map context and practical next steps—kept separate from the rockhounding atlas.

Maryland National Parks Metal Detecting

These records apply only to verified locations whose written rule and site-specific recreation footprint have been verified. A map pin is a public visitor/reference point, never a permission boundary.

20 verified records in this scope.

Universal map & navigation coverage0 independently verified coordinate pins · 20 records with safe map navigation
Antietam National BattlefieldMarylandNamed public place map search
GoogleOSMApple
Assateague Island National SeashoreMarylandNamed public place map search
GoogleOSMApple
Baltimore-Washington ParkwayMarylandNamed public place map search
GoogleOSMApple
Catoctin Mountain ParkMarylandNamed public place map search
GoogleOSMApple
Chesapeake & Ohio Canal National Historical ParkMarylandNamed public place map search
GoogleOSMApple
Clara Barton National Historic SiteMarylandNamed public place map search
GoogleOSMApple
Fort Foote ParkMarylandNamed public place map search
GoogleOSMApple
Fort McHenry National Monument and Historic ShrineMarylandNamed public place map search
GoogleOSMApple
Fort Washington ParkMarylandNamed public place map search
GoogleOSMApple
George Washington Memorial Parkway — Maryland segmentMarylandNamed public place map search
GoogleOSMApple
Glen Echo ParkMarylandNamed public place map search
GoogleOSMApple
Greenbelt ParkMarylandNamed public place map search
GoogleOSMApple

Showing 12 quick navigation targets above. All 20 records in this scope include their own map-provider links below.

Allowed/restrictedPermit requiredProhibitedRestricted / partialReview

Map meaning: verified coordinate pins identify independently grounded public visitor/access reference points. Query-only records can be resolved on demand as temporary provider search matches; sensitive records use a deliberately broader agency/locality query. Temporary search matches are not stored as verified coordinates. No map mode is a property boundary, detecting zone, archaeological target, or permission boundary.

Prohibited Grade A · 100/100

Antietam National Battlefield

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Assateague Island National Seashore

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Baltimore-Washington Parkway

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Catoctin Mountain Park

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Chesapeake & Ohio Canal National Historical Park

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Clara Barton National Historic Site

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Fort Foote Park

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Fort McHenry National Monument and Historic Shrine

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Fort Washington Park

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

George Washington Memorial Parkway — Maryland segment

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Glen Echo Park

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Greenbelt Park

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Hampton National Historic Site

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Harmony Hall

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Harpers Ferry National Historical Park — Maryland segment

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Harriet Tubman Underground Railroad National Historical Park

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Monocacy National Battlefield

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Oxon Cove Park & Oxon Hill Farm

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Piscataway Park

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search
Prohibited Grade A · 100/100

Thomas Stone National Historic Site

National Park Service

36 CFR §2.1 prohibits possessing or using metal detectors and related detecting devices in National Park Service park areas and protects natural/cultural/archaeological resources.

DecisionProhibitedTrip readyNoPlanChoose Legal AlternativeEvidenceCurrentScopeControlling Rule Scope StoredPrecisionExpress detector-use prohibition or equivalent no-detecting rule
Permit: Check rule Verified: 2026-08-29
Open verified record Google MapOpenStreetMapApple MapsNamed public place map search