Really nice showers and bathrooms with flushing toilets. Prices vary depending mostly on how many vehicles you have in the campground.
Yes there are tent camping spots, but every spot can be used for tent camping. There are shower/bathroom buildings in both camping sections and standard cost per night is $39 for two guests, $5 per extra adult.
Yes, there is tent camping. Yes there are very nice showers and bathrooms. Costs vary (clearly your ability to Google is weak); https://www.fs.usda.gov/recarea/umpqua/recreation/recarea/?recid=63480
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