Celebrate Upstate Art Weekend at River Hook Preserve for the Flash Sketch Mob & Poems of Place! July 19 & 20, 2025. Presented by the Nyack Art Collective and the Friends of River Hook, artists are invited to sketch along the River Hook Preserve path on Saturday, July 19th from 10AM-12PM. All artwork will be displayed at the Poems of Place poetry event on Sunday, July 20th at 4PM. CLICK HERE for more information.