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​Clyde Forks Mine

CLYDE FORKS, ONTARIO
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INFORMATION

Just west of the abandoned K&P rail line near Clyde Forks, is an abandoned mine which remains in remarkably good condition. Getting there is fairly easy but involves a bit of GPS work to find the precise location in the bush. The terrain is swampy and muddy and full of wildlife. We encountered a wolf chasing a deer 10 feet away from us.

The old K&P rail line provides access to the logging trails in the area. Some logging trails are marked “No Trespassing”. We walked through the bush from the K&P rail line only to realize there might be a vehicle access further down the K&P line. If you do find a way to access the logging trails, we recommend a 4X4.

​The mine is hard to spot due to the overgrown brush in addition to trees hiding the entrance. The mine is listed as abandoned by the ministry of Ontario, never-the-less there might still be an active claim on the site.

Inside the mine we found large spiders and hibernating bats. If you do visit do not disturb the wildlife and keep the site clean. At the back of the mine we noticed dirt on the ground, only to realize that it was a pile of decomposing animal carcasses, bones and all. We noticed the odd bear footprint in the soil, so there may be a possibility that a bear could be using this mine as a shelter to hibernate. I am glad we did not encounter a bear; the wolf was enough of a scare. If you do visit please prepare and take precautions as help is far away. For more information review the potential risks section below.    


The following mine details were written and provided by Frankenbuffer at Dual Sport Diary Blog Spot.
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"The tunnel extends straight in about 50 feet, bends slightly left and then proceeds about another 70'. At the bend a drift extends to the left about 15'. Twenty feet past the bend, a second drift extends left about 10 feet. The records (as shown in the pic below, taken from a petrographic study of the site [1]) indicate that grab samples of the barite were taken on the left wall near the tunnel entrance, near the end of the first drift, and near the end of the adit. The barite vein is apparently fairly obvious in these locations, although I was not equipped to identify it during my visit."

Historical Information:

1918-1919: Barite vein was stripped, some test pitting. One ton barite, sent to U.S. Work by T.B. Caldwell.

1957-1960: Lanark Silver Mines Ltd., performed magnetic and S.P. surveys, soil sampling and 773 feet of d.d. in 4 holes. (Tweed files 2, 3, 4).

1964-1968: Regional soil and stream geochemical surveys, 30 d.d. holes totalling 3921 feet, surface stripping and a short adit (98 feet) with 2 small cross-cuts. Work by West Branch Explorations Ltd.

1969-1970: Geochem surveys, at least 24 d.d. holes for 5,347 feet, geol. survey and some metallurgical testing by Carndesson Mines Ltd. (Tweed file 9)

1984: Todd Sanders staked out the property in January and in May and June, Lacana Mining Corporation carried out sampling of the main occurrence. In September Homestake Mineral Development Company visited the property and carried out limited sampling.

1986: T. Sanders carried out line-cutting and a VLF-EM survey.

1987: Assaying and a petrographic study of the tetrahedrite-barite zone was carried out.

Abandoned Mine Id : 06930
Official Name : CLYDE FORKS
Alias Names : CLYDE FORKS; CALDWELL, T.B.; PHARAOH, HARRY; CARNDESSON, M.L.
Site Class Type : C
Status : ABANDONED
District : TWEED
Jurisdiction : MINING ACT
Mine Features : ADIT; TRENCH
Operational Access Description : TRAIL
Closure Reason : 
EXPLORATORY WORKINGS - UNDERGROUND
Historical details written and provided by oma.on.ca & mindat.org.


Location ID #CM0021

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POTENTIAL RISKS:
RESTRICTIONS ARE UNKNOWN 
Mine Is Listed As Abandoned
No Signs Or Warnings
Roads Are In Rough Shape
Wildlife (Saw Wolves In Area)
Something Is Living In That Mine (Bear)
Bones Found Inside Mine
Rough Terrain, Swampy and Muddy
Open Pits and Sharp Objects


Note:
No one should attempt to explore an abandoned mine as there are many dangers such as cave-ins, bad air, and hidden shafts. Explore at own risk.​​


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White Nose Syndrome:

​White Nose Syndrome (WNS) has killed more than 5.7 million bats in the U.S. since the winter of 2006/2007. First noted near Albany, New York, it has spread at an astonishingly rapid rate. Little is known about its cause or transmission. A fungus is the causative agent for the disease. If WNS continues to spread, it will greatly affect both subterranean and surface ecosystems and may cause species extinctions. There are indications that people might spread WNS when they visit caves. Therefore, we must take every reasonable precaution to minimize the risk of workshop participants spreading WNS at faster than normal rates, and to keep the syndrome from reaching other countries. 
mffp.gouv.qc.ca
How to prevent spread

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TERRAIN DIFFICULTY:
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FAMILY FRIENDLY:
Yes

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EQUIPMENT:
Flashlight
​Knife
​Waterproof Boots

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TOURS:
N/A

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mapS:





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How To Get There:

Drive through the historical town of Clyde Forks until you reach the old K&P rail line, which was converted into a dirt road. From there take a right down the K&P rail line then take the first left going up a logging trail. We parked at the bottom of this trail as the road conditions were terrible. From there follow the road until you are near coordinates. Once near coordinates walk through the forest towards coordinates provided below. Be prepared for a long walk. We do not recommend entering the mine.

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Coordinates: 45.124414, -76.726752
DOWNLOAD COORDINATES

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Estimated Travel Time: 01:21:00 from downtown Ottawa.


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Last Updated:  September 02, 2025
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