Experience the fun of Lake Helena boat rentals, jet ski, water sport lessons, and private boat tours on this body of water along Prickly Pear Creek in the Helena Valley of Lewis and Clark County in southwestern Montana. It is 2,073 acres in size allowing all types of water activities including wakeboarding, water skiing, kneeboarding, wakesurfing, wake skating, tubing, SUP's, air chair and more! This lake can accommodate large to small groups of families, friends, or business outings.