For Saturday, I'd suggest the kayakers all meet for breakfast, and then proceed on to kayaking. There are kayak trails at Blackwater so I think it makes sense to do that, unless someone has a better idea. We can't actually launch at the park though; we have to launch at the 335 Bridge, or Shorter's Wharf. I'll try to get more info on that. The Green Trail is 8 miles RT. The purple trail is 9 miles one way, needs a shuttle, and has large open water passages and is prone to wind - might be early in the season to to that without local knowledge. Don't forget the water will still be pretty chilly in April. Dress for the water, not for the gorgeous sunny day that we will be enjoying.
Martha