Mammoth Waterhole Fishing in Harney County, Oregon
Twin Buttes Area

The Mammoth Waterhole can be found on the Twin Buttes USGS quad topo map. Mammoth Waterhole is a reservoir in Harney County in the state of Oregon. The latitude and longitude coordinates for this reservoir are 43.0535, -119.1074 and the altitude is 5089 feet (1551 meters).

Anyone interested in fishing Mammoth Waterhole should consult with local guides and resources before heading out to fish. Anglers who have fished Mammoth Waterhole are invited to submit reviews of the lake. Tell us when you went, what you caught, how the experience ranked overall. Thanks for your reviews, they help to make Fishing Works the best website for anglers.

Feature Type: Reservoir
Latitude: 43.0535
Longitude: -119.1074
Elevation: 5089 ft (1551 m)

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Locator Map - Mammoth Waterhole

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