Isa Lake
Parking available
The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

📜 Pristine lake at the summit of Craig Pass in Wyoming’s Yellowstone National Park, straddling the Continental Divide.
🔍 Unique in draining into both Atlantic and Pacific Oceans, in reverse.

Why Go

🌊 Experience a rare hydrological phenomenon🏞️ Scenic location on the Continental Divide🚗 Easily accessible via Grand Loop Road

Tips

💡 Small roadside sign identifies the lakeℹ️ Informational signage available at pullout📍 Located halfway between Old Faithful and West Thumb geyser basins.

🅿️ ParkingSmall roadside pullout available.

Last updated 1 day ago

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