The Trachyte Hills are a small, hilly

mountain range A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have arise ...

in southern

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

, located southwest of the junction of

Bonaparte River The Bonaparte River is a tributary of the Thompson River, joining it at the community of Ashcroft, British Columbia. The river is about long, including the length of Bonaparte Lake. Rising on the Silwhoiakun Plateau to the northwest of Kamloops, B ...

and Hat Creek. They are a continuation northwards of the

Cornwall Hills The Cornwall Hills are a range of mountainous hills in the Thompson Country of the Interior of British Columbia, Canada. They are located west and southwest of the communities of Cache Creek and Ashcroft and form the divide between the basin of ...

References

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Trachyte Hills
in the Canadian Mountain Encyclopedia Mountain ranges of the Interior Plateau Hills of British Columbia Landforms of the Cariboo {{cariboo-geo-stub