Trollfonnegge is a mountain in Vang Municipality in Innlandet county, Norway. The tall mountain is located in the Filefjell mountain area, about north of the village of Vang i Valdres. The mountain is surrounded by several other notable mountains including Vennisfjellet and Mjellknapp to the south and Skræmetindane to the southeast.
See also List of mountains of Norway by height
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