Lautenbach Woods Nature Preserve
Karst geology and vernal wetlands on the Niagara Escarpment
This 160-acre preserve on the Niagara Escarpment reveals Door County's dolomite bedrock through visible fractures, fissures, and a remarkable vernal pond — plus rare land snails that have survived here since the glaciers.
Located on the Niagara Escarpment, Lautenbach Woods gives visitors a rare chance to see the fractures, fissures, and caves in the dolomite rock that underlies much of Door County. This is karst geology made visible — and alive.
In spring, when the ground thaws, water from higher elevations pours out from the base of the escarpment as if someone has pulled the plug on a drain. This seasonal surge creates a vernal pond and a unique hardwood swamp on the western portion of the preserve — reminiscent of a southern bayou, and deep enough in spring that the Lautenbach children once traversed it by rowboat. The pond recedes or disappears entirely in warmer months, but high-water marks on the hardwood trees remain visible year-round.
Trails
A 1.25-mile loop explores level-to-rocky terrain with inclines along the bluff. Tall pines, hemlocks, and hardwoods along the escarpment create a shaded oasis even on the hottest summer days. In winter, the evergreens make this a rewarding destination for skiers and cold-weather hikers.
Wildlife
The vernal pond is a favorite habitat for migrating waterfowl, salamanders, and spring peepers. The shaded escarpment forest acts as a refugium — a climatically stable microclimate — providing habitat for rare terrestrial land snails that have survived here since glaciers covered the region 10,000 years ago. Mature hemlock, white cedar, and northern hardwoods support a rich community of migratory songbirds.
Natural Features
The Niagara Escarpment runs through the center of the preserve, and its exposed dolomite face shows the karst features — fractures, fissures, and small caves — that make this geology so unusual. The hardwoods deliver a vivid fall color display, and the preserve borders a scenic ¾-mile stretch of County Highway G.
Trail Map
Guidelines for Visiting
- Stay on trails
- Help protect fragile habitats by staying on marked trails.
- Clean your boots
- Brush off mud and seeds before and after your visit to prevent spreading invasive species.
- Pets on leash
- Dogs are welcome on leash. Please pick up after your pet.
- No collecting
- Leave wildflowers, plants, rocks, and artifacts where you find them.
- Leave no trace
- Carry out everything you carry in.
- No motorized vehicles
- Bicycles, ATVs, and other motorized vehicles are not permitted.
- No camping or fires
- Preserves are open dawn to dusk. No overnight camping or open fires.
- Hunting season
- During hunting season, wear blaze orange on preserves with active hunting. Learn more →
















