NRCan lists Grace Creek as an official Kootenay Land District water (key JAUSY) at 49.976944, -114.857222, on map sheet 082G15. It runs stream order 4 (mid-range on a network scale that runs from 1 for a headwater trickle up to 6 or more for a full river) for roughly 8 km, draining into the
Fording River within the Line Creek Operations basin. Provincial fish-inventory data lists a single named line on Grace Creek with 4 direct fish observations, all
westslope cutthroat trout. The wider regional species model for the Fording/Line Creek branch also lists bull trout, rainbow, dolly varden and kokanee as context taxa, but those are not confirmed catches on Grace Creek itself, only direct-record cutthroat are.