Abstract: An ice fishing hole cover and tip up device for fishing with a fishing line through a hole in ice. The device includes a housing which rests atop the ice and is dimensioned to cover an ice fishing hole formed in the ice, a shaft extending between opposite sides of the housing and journaled therein for rotation with respect to the housing with one end projecting from one side of the housing, a fishing line spool carried on the shaft and rotatable therewith to play out and reel in fishing line, a signal flag movable between a set position engageable with the projecting end of the shaft and a tripped position disengaged from the shaft, and a spring for biasing the signal flag toward its tripped position.