I'm really sorry I couldn't do that hike, and I'm sorry you did it while sick. The group that I stayed home for got a really good rating, though, and it felt really nice being present, virtually, for that.
I hiked from Lonestar to 8R5 a few days after your trip, and concur that the bugs were many. DEET and a Thermocell helped.
I actually pulled my bear spray out of the holster right before breakfast at OA1. He was probably 20 yards away. Apparently this critter didn't care that I was yelling at him. As a former band director, neither did my students. Ehh.
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We, too, saw lots and lots of CDT hikers. Maybe 15-20? The first night a man entered our campsite, looked around, said nothing, and walked past us. I had to ask if he was a CDT hiker, and he nodded. He didn't seem too good at English, and I'm guessing he didn't understand that saying, "Hello," or anything, would get him more of a welcoming. I told him we were following the rules and hanging our food. He looked confused, but eventually he showed me his Ursack, and looked up at the food poles and said he had no string. I think he tired up his Ursack somewhere back on the trail.
My group included folks who waded out in the lake at 8R5. They reported it was shallow and you could go waaaay out. (I will melt in the water, and didn't even get my toes wet.)
We had a nice stroll through the geyser basin.
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The crew that you want to fix the trail you were on was busy at OA3, fixing a bad bog bridge.
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When we got to OA2, for our night, they were packing things up to take tobthe bog, i think. I think some mules went by early this morning, too. There was much clanking for a few minutes. These guys loaded things up as we set up our camp. At least one mule was unhappy, and there was a mini insurrection, but things eventually calmed. So the park service is working on trails, just maybe not the ones you want.
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I've not circled the lake before, but I have been at the mouth of the Lewis Channel campsite before, and found that the other campers had no idea how to camp in grizzly, or even chipmunk, country.
I have done the section from Lewis Channel to Delacy, and that beach walking on rocks, is really hard going. We did find a log to sit on, and that made things a bit better.
Glad you're feeling better, and had a good trip!