The Kleiner Solstein is a mountain, m (AA) high, in the Nordkette in the Karwendel Alps in the Austrian state of Tyrol. Despite its name (Small Solstein) it towers above its western neighbour, the Großer Solstein (Great Solstein) ( m (AA)) by almost and is thus the highest summit in the Nordkette. The southern side of the Kleiner Solstein facing the Inn valley is characterised by schrofen and steep-sided cirques. To the north it plummets in a rock face up to high towards the valley of Großkristental, which runs from the Gleirsch valley in a southwesterly direction to the Erl Saddle.