Store Langvasstinden is a mountain in Lesja Municipality in Innlandet county, Norway. The 2085 m tall mountain lies within Dovrefjell-Sunndalsfjella National Park, about 25 km north of the village of Dombås. The mountain is located in the Svånåtindene mountains and it is surrounded by several other mountains including Drugshøi which is about 3 km to the northwest, Nordre Svånåtinden which is about 2 km to the southwest, Storstyggesvånåtinden which is 3.5 km to the south, Larstinden which is about 1.1 km to the east, and Snøhetta which is about 3 km to the east.