Complex sentence: There are a few small lakes within two or three miles (5 km) of Kenabeek, most are privately owned and are not great for swimming, many are muskeg lakes and others are surrounded by swamp.
Split into simpler sentences: There are a number of small lakes within two or three miles (5 km) of Kenabeek, mostly privately owned. Many are muskeg lakes and others are surrounded by swamp.