Hållsundsudde-Sönnerbergen naturreservat has 3 named peaks. The highest is Knastås at 40 m. Other notable peaks include Örnaknalten and Stillesberget.
There are 3 named mountains in Hållsundsudde-Sönnerbergen naturreservat. The highest and the most prominent mountain is Knastås.
The highest peak in Hållsundsudde-Sönnerbergen naturreservat is Knastås, at 40 m.
Notable peaks in Hållsundsudde-Sönnerbergen naturreservat include Knastås, Örnaknalten and Stillesberget.
