Explore the freshwater springs of The Landing-Minnesota River Heritage Park on a hike with an historical interpreter. See how the cool subterranean water bubbles up to the surface, forms a small stream and flows into the Minnesota River. Hear how springs have provided clean drinking water and other uses throughout history. Assist with water quality monitoring and compare water from different sources. Cost is $12 and reservations are required by two days prior. Call 763-559-6700 to make a reservation. There is a 20 percent discount for groups of four or more. This program is for ages 12+.