The Kenidjack holed stones stand on Kenidjack Common near St Just, in the far west of Cornwall. They form one of the most unusual prehistoric stone groups in the county. The main cluster consists of four large granite slabs, each with a circular hole cut through it, and a smaller outlying stone located a short distance to the northwest. Single-holed stones are known in Cornwall, but a group of them arranged together is rare. This makes Kenidjack an important and intriguing site, even though its original purpose remains uncertain. The stones have probably been moved, disturbed, or re-erected over time. This means their present positions may not be exactly the same as their prehistoric arrangement. Their rough alignment has often encouraged attempts to understand whether they formed part of a deliberate ceremonial or astronomical monument. However, because later movement may have changed their setting, any interpretation has to be treated with caution. Archaeological investigation in 2023 looked for evidence of the stones’ original placements. Excavation beneath one of the main stones found traces of a possible pit or hollow, along with a burnt flint flake, suggesting ancient activity at the site. Another stone showed no clear sign of disturbance, leaving open the question of whether all five stones were originally part of a single planned monument. The results did not solve the mystery, but they confirmed that the site has a more complex history than a simple surface view might suggest. One of the strongest theories is that the stones were connected with the sun. The holes sit low in the slabs, making it unlikely that people looked directly through them at sunrise. A more practical suggestion is that sunlight passed through the holes and projected a small circular beam onto the ground behind the stones. Calculations suggest that some of the current orientations may relate to sunrise in late November and December, especially around the winter solstice period. Ideas about stellar alignments have also been proposed, but they are less convincing. The limited horizon view and the effects of atmospheric distortion would have made it difficult to use the holes for accurate observation of stars. Only a few bright stars, such as Sirius or Rigel, may have appeared in the relevant part of the sky. For this reason, the solar explanation remains the most plausible, especially given the wider prehistoric interest in seasonal light and the turning of the year. The wider landscape strengthens the importance of the site. The Kenidjack holed stones lie close to the Tregeseal stone circles and other prehistoric monuments that may also have had solar or ceremonial significance. The outlying stone may have been positioned with reference to Carn Kenidjack, creating a visual link between the stones and the surrounding natural landmark.