Glenquicken stone circle or Billy Diamond's Bridge stone circle (grid reference NX50965821) is an oval stone circle with a central pillar, two miles east of Creetown, Dumfries and Galloway.

[1] The outer ring is formed of 29 stones.

[1] Aubrey Burl has called it "the finest of all centre-stone circles.

[2] Two other circles to the north-west were marked on the Six-inch First Edition Ordnance Survey map.

[3] Alexander Thom planned these in 1939, but they are no longer visible.