There guide says April through September. Go to their website and search fishing for all the details. Fishing and crabbing are restricted to boats and the Key Wallace roadway across the Little Blackwater River. No fishing or crabbing is permitted along the Refuge shoreline or the Wildlife Drive. Blackwater NWR waters include the Blackwater and Little Blackwater Rivers and the associated expansive shallow water marsh areas.
I do not believe there is fishing on the Refuge, you might call and ask. This is a public forum and not connected with the Refuge
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