Alsek info needed

I am planning on doing a few rivers in the Yukon - NWT next summer if the border opens to visitation. We have a permit for the Firth and also planning to kayak another river in the same area after the Firth.
I have done the Tatshenshini so am familiar with the lower Alsek. We are thinking about doing the entire Alsek while we are in the area. We have a permit for the take out at Dry Bay that works time wise but I'm not sure if it is worth the expense of the flight out and helicopter...

Alsek info needed