Yes. Small amd annoying.
Yes, but they were small and not nearly as aggressive as the big ones up by North Cascades park.
I do believe there is none down there at least every time I've been there I have not seen any
You are right next to the river, there is no way to avoid the mosquitoes. However there were not an issue with a little bug spray.
There weren't mosquitoes, but there are flying ants and these small gnats that bite
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