Sprongeggi or Sprongdalseggi is a mountain on the border of Skjåk Municipality in Innlandet county and Luster Municipality in Vestland county, Norway. The 1707 m tall mountain is located in the Breheimen mountains and inside the Breheimen National Park, about 30 km southwest of the village of Grotli and about 20 km northeast of Jostedal. The mountain is surrounded by several other notable mountains including Syrtbyttnosi to the east, Rivenoskulen to the southeast, Greineggi to the south, and Tverreggi to the north. The lake Styggevatnet lies immediately northwest of the lake.