The Great Summer Candle of Redwall Abbey was only lit once every four seasons, on the first feast of the summer. It was located in the Kitchen.
In this candle, Fermald the Ancient hid one of the Tears of all Oceans, and it was discovered when Clecky attempted to steal a box of candied chestnuts in the vicinity of the candle. A struggle with Clecky broke the candle, revealing the pearl.
Books
The Great Summer Candle is only mentioned in Pearls of Lutra.