Old New-Gate Prison & Copper Mine

Record

Why it matters

A colonial copper mine later used as Connecticut's first state prison, with underground workings and surviving prison ruins.

Field note

Public access is controlled by the state museum. Underground availability can change, so confirm before driving.

Access

How to approach it lawfully

Access status

Ticketed. Public access with paid admission or a required ticket. Recorded as: State museum.

Reservation

No reservation requirement recorded. Confirm with the official source.

Seasonality

No seasonal limit recorded. Hours still change; check before traveling.

Practical details last checked July 2026. Conditions change. Check the primary source before leaving home.

Plan the stop

What to plan for

Time

1 to 2 hours

Cost

Admission applies (Fee or pass)

Terrain

Not recorded in this file. Check the official source.

Mobility

Stairs, low light, and uneven historic surfaces.

Parking

Not recorded in this file. Check the official source.

Weather

Not recorded in this file. Check the official source.

Directions to the public entrance ↗Opens Google Maps with these coordinates. The provider sees them under its own privacy policy. Confirm the entrance against the official source first.

Record

Sources

• Primary sourceConnecticut State Museums ↗, opens in a new tabGovernment source · portal.ct.gov · accessed 2026-07

Sources are summarized in the Atlas's own words and checked on the dates shown. See the methodology, or send a correction.