We put in at Rat Farm Rd., and paddled about 3 1/2 miles to Ja She Creek and camped there for the week. Took a lot of side trips -- hiking on the spatter cone trail (bring water!), paddling up the Tule River, and up to Big Lake. There are no motor boats allowed in Horr Pond, but they are allowed in Big Lake and the other areas, though the launch area is quite small, so unless they're coming up from the Fall River, it's mostly small fishing skiffs and motorized canoes.
The water is beautiful, the views unbelievable, and the birdlife fabulous. There's an amazing variety of dragonflies too, which will clue you in to the fact that if you don't bring bug dope you will be eaten alive by the mosquitoes.
This is a terrific way to get some almost wilderness paddling and camping in without having too much experience. We celebrated my son's 9th birthday with his fist solo paddling and a dutch oven baked birthday cake. Couldn't ask for more!
Oh... one tip... the levee boundary around Ja She Creek shown on the topo maps is broken, so what appears to be land is really now water. We kind of got a bit lost on the way out. This was more than made up for by all the Grebe nests floating in the tules. We even saw a tundra swan there out of season (really!)