Ontario No 1 Drain Tunnel Portal

The Ontario No 1 Drain Tunnel Portal is a silver mine located in Summit county, Utah at an elevation of 7,221 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Ontario No 1 Drain Tunnel Portal  

State:  Utah

County:  Summit

Elevation: 7,221 Feet (2,201 Meters)

Commodity: Silver

Lat, Long: 40.6372, -111.49190

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Satelite image of the Ontario No 1 Drain Tunnel Portal

Ontario No 1 Drain Tunnel Portal MRDS details

Site Name

Primary: Ontario No 1 Drain Tunnel Portal


Primary: Silver
Tertiary: Lead
Tertiary: Gold
Tertiary: Copper
Tertiary: Zinc


State: Utah
County: Summit

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Type: Patented


Not available


Owner Name: Noranda Ltd
Company ID: 4200150
Home Office: Utah
Info Year: 1980

Owner Name: United Park City Mines Co.
Company ID: 4200150
Home Office: Utah
Info Year: 1980


Not available


Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Years of Production:
Significant: N


General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains

Mineral Deposit Model

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Analytical Data

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Reference (Deposit): USGS 1955 PARK CITY EAST 7-5 TOPOGRAPHIC MAP

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The Top Ten Gold Producing States

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