WHA is not needed with the 1-day fishing license. Regulations Fishing the Green is with artificials only, and a slot limit applies. For more details, visit the the Utah Department of Wildlife Resources Fisheries Information Page . Due to their prevalence year-round, it's a good idea to go the the Green prepared with good imitations of midges in all stages from larva to adults. The cicada hatch is a famous Green event and can bring smashing takes of strange looking foam dries such as the Chernobyl Ant or various Cicada ties.
Guides generally specialize in single and multi day float trips on various sections of the river.
There is a well equipped fly shop at the Flaming Gorge Lodge. Flaming Gorge Lodge Good tackle shop here.