4.5 to 5 miles – moderate – flat – PRIOR registration required and cellphone number requested. CALL or E: Sal, 631-235-2059, or sailingsals60@gmail.com. Meet at the new Welcome Center/ Restrooms for a brisk hike in this South Shore hidden jewel encompassing 690 acres along the picturesque Connetquot River; bring water, snacks, and a smile; trail shoes recommended; heavy rain cancels, light rain does not; Take Southern State Pkwy. Exit 45E, continue east on Montauk Hwy. 1/2 mile to entrance on the right, or NY 27 to Connetquot Ave., turn south, to Montauk Hwy. and left to the Arboretum; GPS: 440 Montauk Hwy, Great River, NY 11739.  Optional lunch and Sunday Concert afterwards. Hike end time is approximate.