I've seen cottonmouths at Forest Hill where the lake drains into the river. Hopefully confined to that area, but keep an eye out. I like Belle Isle the most, I like to sprint up to the top using the little path between the lake and covered picnic table area.

Late response, just joined group:

• Buttermilk Trail
• Hollywood Cemetery Riverside Trail
• Brown's Isle Pipeline (can do this one while doing the Belle Isle Loop and crossover at 14th St. Bridge.
• Pony Pastures Park Trails

I always loved running down Monument, Arthur Ashe Boulevard, and Cary/Main Street.