The Atlas of Oregon Lakes lists its surface area at about 320 acres (130 ha) and its shoreline at about 4 miles (6.4 km) but provides no other details.

[2] Thorn Lake has been dry for many years, Doctor E. D Cope, a scientist traveling through the area in 1889, noted that Thorn Lake was a dry playa at that time.

[3] A 2008 topographic map of Oregon indicates that Thorn Lake is dry.

[4] The lake is about 8 miles (13 km) east of the unincorporated community of Silver Lake and about 2 miles (3.2 km) north of the intermittent lake called Silver Lake near Oregon Route 31.

This Lake County, Oregon state location article is a stub.