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JumpStart Adventures 4th Grade: Sapphire Falls
Developer(s)	Knowledge Adventure Humancode
Publisher(s)	Knowledge Adventure
Series	JumpStart
Platform(s)	Windows, Macintosh
Release	December 3, 1999
Genre(s)	Educational/adventure
Mode(s)	Single player

JumpStart Adventures 4th Grade: Sapphire Falls is a personal computer game released by Knowledge Adventure on December 3, 1999 to replace their earlier JumpStart Adventures 4th Grade: Haunted Island released in 1996.

In the game, a hairy, bipedal creature invades an old, abandoned mine in the town of Sapphire Falls. Scaring away tourists, the creature succeeds in stealing a mysterious treasure map that no one has ever been able to read. Two aspiring fourth-grade reporters named Sally and T.J. along with their pint-sized dog Gizmo travel to the mine to solve the mystery.