Eureka Sound is a high Arctic waterway in Qikiqtaaluk, Nunavut, Canada. It separates Axel Heiberg Island from Ellesmere Island. Stor Island is located within the sound. Eureka Sound is 290 km (180 mi) long, and 13–48 km (8.1–30 mi) wide. Fort Eureka is nearby.
- "Eureka Sound". The Columbia Gazetteer of North America. 2000. Retrieved 2008-04-10.
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