Tubers slide down the tracks Sunday morning at the Lost Valley Snow Tube Park in Auburn. Russ Dillingham/Sun Journal

Tubers slide down the tracks Sunday morning at the Lost Valley Snow Tube Park in Auburn. Russ Dillingham/Sun Journal

Autumn Thrasher screams with joy Sunday morning as she slides down the tracks Sunday morning at the Lost Valley Snow Tube Park in Auburn. Russ Dillingham/Sun Journal

Manuel Acedo slides down the tracks Sunday morning at the Lost Valley Snow Tube Park in Auburn. Acedo says he is from Arizona and in the U.S. Navy, working at Bath Iron Works on commissioning a ship. He says he wanted to get a taste of winter fun. Russ Dillingham/Sun Journal

Manuel Acedo, second from left, slides down the course Sunday morning at the Lost Valley Snow Tube Park in Auburn. Acedo says he is from Arizona and in the U.S. Navy, working at Bath Iron Works on commissioning a ship. He says he wanted to get a taste of winter fun. Russ Dillingham/Sun Journal

A young boy relaxes and soaks up the sun Sunday morning as his tube is pulled up the hill at the Lost Valley Snow Tube Park Auburn. Russ Dillingham/Sun Journal

Autumn Thrasher throws a snowball Sunday morning at her friend, Addi Field, foreground, as they ride the tow rope at the Lost Valley Snow Tube Park in Auburn. Russ Dillingham/Sun Journal

Tubers slide down the tracks Sunday morning at the Lost Valley Snow Tube Park in Auburn. Russ Dillingham/Sun Journal

Tubers slide down the tracks Sunday morning at the Lost Valley Snow Tube Park in Auburn. Russ Dillingham/Sun Journal

Tubers slide down the tracks Sunday morning at the Lost Valley Snow Tube Park in Auburn. Russ Dillingham/Sun Journal

A woman gives two thumbs-up Sunday morning as she slides at the Lost Valley Snow Tube Park in Auburn. Russ Dillingham/Sun Journal

Tubers slide down the tracks Sunday morning at the Lost Valley Snow Tube Park in Auburn. Russ Dillingham/Sun Journal