Lake Tahoe is around the same size as Guam.

Guam is approximately 544 sq km, while Lake Tahoe is approximately 502 km² (194 sq mi), making Lake Tahoe 92.28% the size of Guam.
Tip: This to-scale comparison of Guam vs. Lake Tahoe uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.