Idaho Code § 36-1509: Holes in ice — Size limits — Penalty — Exception.

(a) No person shall:

(1) Cut an opening larger than ten (10) inches across the longest part through the ice of any of the streams, lakes or ponds of the state for the purpose of fishing;

(2) Fish through a man-made opening in ice which is larger than ten (10) inches across the longest part.

(b) The provisions of this section shall not apply to Bear Lake when an opening in the ice larger than ten (10) inches across the longest part is necessary for dip netting Cisco.