Age Restrictions are dependent on water levels. If you are planning a day with us this summer please consider the following when booking. Late June is usually only suitable for Adults and or 13+. Early July is typically suitable for adventurers 7 and up. Late July, August and September is ideal for adventurers 5 and up. The St. Vrain's flows can vary dependent on snow melt and rain fall. We will post age restrictions here daily.