Season is from May to September. Middle Fork of the American River: There are guided family and group tours for the adventurous beginner to intermediate for Class III – IV, the minimum age is 13. Length is 17 – 25 miles, you can choose 1 to 3 day rafting trip, Price starts at $139, the trip starts near Foresthill; Lower Middle Fork American River is for the beginner, Class II – II+, minimum age 4; length is 7 miles for 1/2 or 1 day, price starts $89 – $109 and location is Auburn; North Fork American River is for the Intermediate to advanced, Class IV – IV+, minimum age 13, but depends on the river flows; length 9 – 18 miles for 1/2 or 2 days trips; price $108 and the location is Colfax; Lower North Fork American River is great for families/beginners, Class II – II+, minimum age is 6, price is $104; and the location is near Colfax. Depending on which rafting trip you choose, you will see spectacular scenery, animals, wild flowers and more. Be sure to check their web site for schedule, pricing, requirements and more information.