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 situated west of the intersection. Beyond NY 66, NY 351 changes its name to Round Top Road and moves into a secluded area of Poestenkill, moving through regions that consist of forests and thinly populated open spaces as it meanders northward.