Dunning's Spring, Ice Cave & Van Peenen Loop

This loop is generally classified as a moderate hike. While some sections, like the path to Dunning's Spring Waterfall, are easy, the full loop includes challenging parts with steep climbs, varied terrain, and sections like the "Rocky Road" in Van Peenen Park. Good fitness and sure-footedness are recommended.

The Dunning's Spring, Ice Cave & Van Peenen Loop is approximately 7.3 kilometers (4.5 miles) long and typically takes around 2 hours to complete. This duration can vary based on your pace and how much time you spend exploring the various points of interest.

You'll encounter several unique features. The prominent Dunning's Spring Waterfall, a 200-foot cascade, is a major highlight. The Ice Cave is another unique geological feature known for retaining ice often from January through August. Van Peenen Park offers diverse landscapes, including pine forests, prairies, and views overlooking the Upper Iowa River.

Parking is available at Dunning's Spring Park, which serves as a convenient access point for the loop. The trail system connects Dunning's Spring, the Ice Cave, and Van Peenen Park, allowing you to start your hike from various points within these areas.

Based on the available information, there are no specific permits or entrance fees mentioned for accessing the Dunning's Spring, Ice Cave & Van Peenen Loop or the parks it traverses, including Dunning's Spring Park, Decorah Ice Cave State Preserve, and Barbara Barnhart Van Peenen Memorial Park.

Information regarding dog-friendliness for this specific loop is not explicitly detailed in the provided sources. It is always best to check local regulations and park rules for Dunning's Spring Park, Decorah Ice Cave State Preserve, and Van Peenen Park before bringing your dog.

The trail offers year-round appeal. The Ice Cave is particularly interesting from January through August when it retains ice. The varied terrain and natural beauty make it suitable for hiking in most seasons, with opportunities for cross-country skiing and snowshoeing in winter. Consider visiting in spring or fall for pleasant temperatures and vibrant scenery.

Expect a diverse range of terrain. You'll find easy walking paths near Dunning's Spring, but also steep trails leading to areas above Ice Cave Road. Van Peenen Park features pine forests, challenging climbs, and a section known as the "Rocky Road." Trails around the Ice Cave also involve steep inclines and exposed limestone, reflecting the unique "Driftless Area" topography.

Yes, the Dunning's Spring, Ice Cave & Van Peenen Loop is part of an extensive trail system. The route incorporates sections of various other trails, including Little Bighorn, Rocky Road, The Prarie, Fred, River Trail, and Upper Ice Cave, among others. This allows for varied hiking experiences and connections to other parts of the Decorah trail network.

While parts of the Dunning's Spring area are easy and family-friendly, the full loop is classified as moderate due to steep sections and varied terrain. Families with younger children or those seeking an easier experience might prefer to explore just the accessible paths around Dunning's Spring Waterfall and the Ice Cave entrance, rather than attempting the entire loop.

Yes, Dunning's Spring Park has historical significance. It was the site of the county seat's first mill in 1849, and later housed a brewery and creamery. A tufa cave in the area was historically used for storage, adding a layer of local history to your hike.