Just west of the intersection is Algonquin Middle School, part of the Averill Park Central School District. Past NY 66, NY 351 changes names to Round Top Road and heads into an isolated part of Poestenkill, passing through a mixture of forests and sparsely developed open areas as it meanders northward.
Algonquin Middle School, part of the Averill Park Central School District, is located just west of the intersection. Beyond NY 66, NY 351 becomes Round Top Road and travels into a remote section of Poestenkill, passing through areas that include both forests and sparsely developed open spaces as it meanders northward.