Aztalan State Park
Park State park preserving prehistoric Mississippian settlement
Near Lake Mills, Wisconsin, Aztalan preserves a 10th-13th-century Mississippian settlement with earthen stockades, platform mounds and a museum; visitors tour trails and exhibit rooms explaining pre-contact North American societies.
Aztalan State Park preserves a precontact Mississippian-period settlement in south-central Wisconsin with earthen platform mounds and traces of a stockade. The site is an important regional example of Mississippian town planning with mounds, plaza space, and defensive earthworks.
Mound groups and the footprint of a palisade define the former village layout; reconstructions and archaeological work have produced a visible demonstration of Mississippian settlement design. Trails and interpretive panels guide visitors around the principal features.
Archaeological investigations have dated the primary occupation to the Middle Mississippian period, and the park was established to protect and interpret the site for the public. Preservation has included reconstruction of select elements and ongoing interpretation.
Aztalan State Park is located near Jefferson County communities in southern Wisconsin along the Crawfish River corridor, set within a rural agricultural landscape.
- Occupation period: The archaeological site was occupied by a Mississippian culture settlement between roughly the 10th and 13th centuries, featuring platform mounds, a central plaza, and a wooden palisade.
What to See #
- Platform mounds and palisade: A set of earthen platform mounds and the remains of a palisaded Mississippian settlement, with visible mounds and reconstructed features showing the original village layout.
- Interpretive center and trails: A small interpretive center and trails that explain the site's archaeology and display artifacts and reconstructions related to the precontact settlement.
How to Get to Aztalan State Park #
Aztalan State Park is near Lake Mills in Jefferson County, Wisconsin. From Milwaukee it is about a 45-60 minute drive west via I-94 and local highways; from Madison it is approximately 40-50 minutes northeast. The park is accessible by car and has parking close to the interpretive center.
Tips for Visiting Aztalan State Park #
- Visit early morning for birdwatching around the millpond and to avoid summer crowds on the trails.
- Walk the interpretive loop to see the earthworks and the museum exhibits - small but informative - that explain prehistoric life on the site.
- Combine with a visit to Lake Mills or nearby farm markets to get a sense of the modern rural landscape around the park.
Best Time to Visit Aztalan State Park #
Outdoor state park - best visited late spring through early autumn for comfortable weather and interpretive programming. Check park alerts for special events.
Weather & Climate near Aztalan State Park #
Aztalan State Park's climate is classified as Hot-Summer Continental - Hot-Summer Continental climate with warm summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -13°C to 29°C. Moderate rainfall (838 mm/year).
January
January is the coldest month with highs of -3°C and lows of -13°C. Moderate rainfall (31 mm).
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February
February is freezing with highs of 0°C and lows of -10°C. The driest month with just 29 mm.
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March
March is cold with highs of 6°C and lows of -4°C. Moderate rainfall (55 mm).
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April
April is cold with highs of 14°C and lows of 2°C. Regular rainfall (81 mm).
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May
May is cool with highs of 21°C and lows of 8°C. Regular rainfall (80 mm).
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June
June is mild with highs of 27°C and lows of 13°C. Regular rainfall (97 mm).
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July
July is the warmest month with highs of 29°C and lows of 16°C. The wettest month with heavy rain (102 mm).
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August
August is mild with highs of 27°C and lows of 15°C. Regular rainfall (100 mm).
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September
September is cool with highs of 23°C and lows of 10°C. Regular rainfall (96 mm).
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October
October is cool with highs of 16°C and lows of 4°C. Moderate rainfall (64 mm).
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November
November is cold with highs of 7°C and lows of -2°C. Moderate rainfall (59 mm).
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December
December is freezing with highs of 0°C and lows of -9°C. Moderate rainfall (44 mm).