Been several years since I have been there. There is a real nice CG (Page Springs) right outside French Glen on the river. The campground up the mountain at Fish Lake was pretty primitive. Google maps looks like BLM improved it quite a bit. The views from atop the rim were awesome. That east slope is quite the precipitous drop. We drove out to the Kiger Mustang viewing area to see the herd. Reportedly that herd is a genetically pure remnant of the original Spanish mustangs and has not been interbred with modern horses. The drive was a 4wd low crawl in quite a few places. No idea of current road conditions.
There is not much in French Glen. When I was there gas was not available.
I was somewhat disappointed with Crater Lake. The lake itself is beautiful. You can drive around it in one day, stopping at all the viewpoints and seeing the blue water from different angles. But there is only one trail that accesses the lake itself, and you cannot swim or launch your own boat. So after you drive the road there is not much else to do. A few trails in the park backcountry.
I have visited the Klamath Canoe Trail a couple times. I wrote up a review for paddling.net
https://paddling.com/paddle/trips/klamath-marsh-water-trail-oregon
There is a second water trail north of there on the Klamath Marsh. My review:
https://paddling.com/paddle/trips/klamath-marsh-water-trail-in-oregon
And another water trail south of K-Falls in California. Not as nice as the others. You can pass on this one if time is short. meh.
https://paddling.com/paddle/trips/tule-lake-nwr-in-california
If you want another unique paddle trip -- the Ahjumawi Lava Springs State Park in California is accessible only by paddle craft.
Lassen Volcanic National Park has a great place to paddle -- Butte Lake in the NE corner of the Park. A NPS campground is adjacent (no cell coverage). You can also boondock outside the Park on NF land. The lake allows no power craft and the water is crystal clear all the way down. There is a lava archipelago in the middle of the lake you can paddle around. Sort of like an English Garden Maze, except it is water and lava rock. If you want a nice hike, beach the kayak at the south end of the lake and hike 2.5 miles to Snag Lake -- the largest lake in California with no road access. Some people portage a kayak and camp on the lakeshore. It all burned in the 2021 Dixie Fire. Watching the forest recover is interesting. Then hike to Cinder Cone. The views from the top are surreal, with the Painted Dunes and Fantastic Lava Beds below you.
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So many campsites, so little time...
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