Perhaps no monthly transition in Frontenac State Park is so dramatic as that from October to November. The former is generally the park’s busiest month, bustling with autumn foliage admirers, cool-weather hikers and all of us reveling in the year’s last few warm days. Then the calendar flips, and suddenly it’s colder, darker and quieter … and is that snow in the forecast? The whiplash takes some getting used to, even for seasoned Minnesotans.