Leśnogóra [lɛɕnɔˈɡura] is a village in the administrative district of Gmina Grębków, within Węgrów County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) south-west of Grębków, 20 km (12 mi) south-west of Węgrów, and 60 km (37 mi) east of Warsaw.