Overnight Canoeing Trip in Colorado. Any suggestions?

I’m looking to plan a canoeing trip sometime in late May and was wondering what might be the best river to float for canoeing. Here is a list of things I would like this river to include (If possible):

1. Good trout fishing
2. No more than Class II (A few class III would be fine)
3. Self-Guided
4. 2-3 days

I have heard that the Gunnison River and White River are options, if so, does anyone know any websites to get information?

Thank you so much in advance for your help!!

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