They have a web site. Should tell what the exsct cost and the hours are. Just search Dismal Canyon near Phil Campbell, Alabama. Can't remember the exact price but it was worth every penny.
9 bucks per person
Benjamin this is D.Casteel was neighbor when you lived in Decatur I believe it cost about 10-15 dollars
12 dollars adults
http://www.dismalscanyon.com/admission/index.html
We went in a group of 8 and it was $40
Thanks! Your answer is awaiting moderation.