Continuity: While Kenai is falling of the ledge before he goes into the ice cave, his rope completely disappears.
Factual errors: In the opening scene, the English subtitles for the film read that Sitka is speaking, when it is actually Denahi.
Continuity: In the opening scene, Denahi says "This is a story from long ago, when the great mammoths still roamed our lands", whereas the main story takes place during his lifetime and mammoths are clearly too plentiful to have disappeared so quickly.