When you open on the 23 of March and it goes until when in April?

March 23 thur April 8th for spring break. From 6am till 7pm. For spring break

Campground and picnic area is lways open.

As far as I know Lake Jennings is open 365 days a year 3 days a week the whole Lakes open and the rest of the week you can always finish the campgrounds