Overview Acorn Campground is a sunny campground in the brush-covered hills of the Sierra Nevada Mountains. The area is generally characterized by a warm, dry climate with summer temperatures regularly soaring above 90 degrees.With sites just a short walk from the shores of the popular New Hogan Lake, visitors will have no problem finding relief in the comfortable clear waters.Recreation Boating is a popular pastime, with boat ramps conveniently located around the lake. The large surface area all