Parnell Observation Tower loop from Town of Greenbush

If you're looking for a hike that delivers panoramic rewards after a good workout, the Parnell Observation Tower loop from Town of Greenbush is an excellent choice. This moderate 7.8-mile (12.6 km) hiking route, with 383 feet (117 metres) of elevation gain, takes around 3 hours and 19 minutes to complete, making it perfect for those who appreciate continuous rolling terrain and expansive views over the Kettle Moraine State Forest.

What to expect on Parnell Observation Tower loop from Town of Greenbush

This trail is a journey through Wisconsin's unique glacial past, winding through wooded hills with a continuously rolling and hilly topography. You'll encounter frequent ascents and descents, including steep hills and numerous stairs, especially as you approach the iconic 60-foot Parnell Observation Tower. The path itself is often a singletrack, sometimes rocky, and can be narrow in sections, so good footing is a must. From the tower, you're treated to expansive 360-degree views of glacial hills, forests, and farmland, with impressive Moulin Kames visible to the west. Expect a steady effort with little chance to catch your breath, making it ideal for hikers with good fitness.

Planning your visit

The trailhead near the Town of Greenbush offers convenient amenities, including picnic tables, grills, drinking water, and vault toilets, making it easy to prepare for your hike. While no specific permits are mentioned, arriving earlier in the day is always a good idea, especially during peak seasons like autumn when the vibrant fall colors draw many visitors. The trail is well-suited for a day trip, offering a rewarding experience without requiring extensive backcountry planning.

Trail details

• Distance: 7.8 miles (12.6 km)
• Elevation gain: 383 feet (117 metres)
• Difficulty: moderate
• Estimated time: 3 hours and 19 minutes