Pick your Hatchery. with at least 22 hatcheries on the mid to lower Island you have a large choice.
Four Hatcheries are in or near Duncan.
Contact any hatchery you may be interested in, weeks before you go to verify hours/areas of public access, what you will be able to see and possible near-by wild life.
https://www.google.com/search?client=firefox-b-d&q=vancouver+Island+fish+hatcheries
Field Trip of any or as many as you want (4 only photos may be posted on field trip galleries)