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National Monument · Iowa

Effigy Mounds National Monument

Effigy Mounds National Monument preserves more than 200 prehistoric mounds built by pre-Columbian Mound Builder cultures, mostly in the first millennium CE, during the later part of the Woodland period of pre-Columbian North America. Look for it 3 mi north of Marquette. Running it is the National Park Service. Visits in 2025 reached 57K.

Photo: National Park Service, Public domain
Visitors in 2025
57K
record 77K in 2016 · National Park Service
Busiest month
July
5.7× December
Where
3 mi north of Marquette
8 places to stay in Marquette
Established
1949
National Park Service
In brief

A national monument, 3 mi north of Marquette

July is the busiest month

July averages about 10,323 visitors, 5.7 times December. When to go ↓

Winters are cold

January nights drop to 10°, with about 34" of snow a year. When to go ↓

Marquette is the nearest base

Marquette is 3 miles south, with 8 places to stay. Where to stay ↓

Best months: May, Jun, Jul, Aug and Sep

May, June, July, August and September are the mild months, with highs of 70–83°. When to go ↓

Established in 1949

Effigy Mounds National Monument dates from 1949 and is run by National Park Service. About ↓

Written from National Park Service visitor counts, NOAA 1991–2020 normals, Overture places to stay, Census town figures, Wikidata and Wikipedia. Updated when the Park Service posts a new month.

When to go

The busy season and the weather

The months below show crowds and weather at Effigy Mounds.

02.5K5K7.5K10K13K20°40°60°80°January: about 2,037 visitors, high 27°JanFebruary: about 2,767 visitors, high 31°FebMarch: about 3,316 visitors, high 44°MarApril: about 2,488 visitors, high 58°AprMay: about 5,385 visitors, high 70°MayJune: about 7,750 visitors, high 79°JunJuly: about 10,323 visitors, high 83°JulAugust: about 7,833 visitors, high 81°AugSeptember: about 6,277 visitors, high 74°SepOctober: about 7,307 visitors, high 61°OctNovember: about 1,992 visitors, high 45°NovDecember: about 1,804 visitors, high 32°Dec83° highs
Jan27° / 10°2K
Feb31° / 14°2.8K
Mar44° / 25°3.3K
Apr58° / 36°2.5K
May70° / 48°5.4K
Jun79° / 58°7.8K
Jul83° / 63°10K
Aug81° / 60°7.8K
Sep74° / 52°6.3K
Oct61° / 40°7.3K
Nov45° / 28°2K
Dec32° / 17°1.8K
Bars: average monthly visitors, 2022–2025. Line: the typical afternoon high. Green months are mild and quieter than average. Visitors: National Park Service visitor use statistics, recreation visits. Weather: NOAA 1991–2020 normals for Marquette. Marquette’s full climate →
About

Effigy Mounds National Monument

Effigy Mounds National Monument preserves more than 200 prehistoric mounds built by pre-Columbian

Mound Builder cultures, mostly in the first millennium CE, during the later part of the Woodland period of pre-Columbian North America.

Type
National Monument
Established
1949
Run by
National Park Service
Listed
National Register of Historic Places (1966)
Wikipedia readers
26K a year
Official site
nps.gov/efmo
From Wikipedia (CC BY-SA). Facts: Wikidata.
Plan your visit

Practical details

Address151 Hwy 76, Harpers Ferry, IA 52146(563) 873-3491
HoursSunrise to sunsetPark trails are open daily from dawn to dusk.
Getting thereLocated 3 miles north of Marquette, Iowa on Hwy 76.
National Park Service. Check the park’s site for closures and alerts.
Where to stay

Where to base yourself for Effigy Mounds National Monument

Lodging nearby is in Prairie du Chien (13) and McGregor (10).

Effigy Mounds visitor center12Prairie du Chien13Marquette8Bridgeport8Wyalusing4Lansing11Prairie du Chien2Guttenberg11Vesterheim Norwegian-American Museum10 mi
Visitor centerPark landHighwaysRoads in the park12Places to stay in town
  1. 1Fort Crawford
  2. 2Vesterheim Norwegian-American Museum
5 min drive

Prairie du Chien

13 places to stay · 6 hotels · 4 motels · 2 inns & B&Bs · 1 campground

The closest town with somewhere to stay.

5,408 people

4 mi southeast of the visitor center · 3 mi to the park

5 min drive

McGregor

10 places to stay · 4 hotels · 3 inns & B&Bs · 3 lodges & cabins

720 people

4 mi south of the visitor center · 3 mi to the park

5 min drive

Marquette

8 places to stay · 3 hotels · 1 motel · 1 inn or B&B · 2 lodges & cabins · 1 campground

436 people

3 mi south of the visitor center · at the park edge

10 min drive

Bridgeport

8 places to stay · 8 hotels

1,006 people

7 mi southeast of the visitor center · 6 mi to the park

Compare 8 towns
TownFrom the visitor centerDrivePlaces to stayPeopleTypical homeSafety
Prairie du Chien4 mi southeast5 min13 6 hotels · 4 motels · 2 inns & B&Bs · 1 campground5,408$161KB−
McGregor4 mi south5 min10 4 hotels · 3 inns & B&Bs · 3 lodges & cabins720$161K—
Marquette3 mi south5 min8 3 hotels · 1 motel · 1 inn or B&B · 2 lodges & cabins · 1 campground436$164K—
Bridgeport7 mi southeast10 min8 8 hotels1,006$226K—
Wyalusing 43% vacation homes11 mi southeast15 min4 1 motel · 1 lodge or cabins · 2 campgrounds336$210K—
Lansing19 mi north30 min11 3 hotels · 1 motel · 5 inns & B&Bs · 1 lodge or cabins · 1 campground957$168K—
Prairie du Chien 39% vacation homes5 mi east5 min2 1 campground · 1 RV park921$170K—
Guttenberg21 mi south30 min11 1 hotel · 2 motels · 1 inn or B&B · 6 campgrounds · 1 RV park1,789$194K—

Day trip from

Straight-line miles.

Getting there

Nearest airports with airline service, from the visitor center

DBQDubuque Regional53 mi
LSELa Crosse Regional55 mi
ALOWaterloo Regional72 mi
MSPMinneapolis–Saint Paul International Airport / Wold–Chamberlain Field · major hub160 mi
Places to stay: Overture Maps (hotels, motels, inns, lodges, campgrounds, RV parks; not vacation rentals) · roads: Overture Maps / OpenStreetMap contributors · park boundary: National Park Service · town figures: U.S. Census ACS · Safety: TownRatings Safety grade · airports: OurAirports. Distances are from the visitor center; drive times are estimates.
Make a day of it

Nearby, too

Places worth adding lie within 68 miles.

Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

Charles Mound: Skye Marthaler, CC BY-SA 3.0 · Fort Crawford: Jonathunder, CC BY-SA 3.0 · Blue Mound State Park: Mailseth at English Wikipedia, CC BY-SA 3.0 · Vesterheim Norwegian-American Museum: Jonathunder, CC BY-SA 3.0 · National Mississippi River Museum & Aquarium: Dirk Hansen, CC BY-SA 3.0 · Cedar Rock State Park: Orange Suede Sofa, CC BY-SA 3.0 · Five Flags Center: Dirk Hansen, CC BY-SA 3.0

Visitors

56,912 visitors in 2025

From 2016 to 2025, these are the yearly visits.

77K201667K201756K201866K201918K202067K202156K202262K202362K202457K2025
Every full year the Park Service has counted. 2020 (gold) was the pandemic year. Green is the record (2016). National Park Service visitor use statistics, recreation visits by calendar year.
Common questions

Effigy Mounds in questions

What town is Effigy Mounds National Monument near?

Marquette, IA, about 3 miles south.

When is the best time to visit Effigy Mounds National Monument?

May, June, July, August and September, with highs of 70–83°. July is the busiest month (about 10,323 visitors).

How many people visit Effigy Mounds National Monument each year?

56,912 in 2025, according to the National Park Service. The record is 77,195, set in 2016.

What is the closest airport to Effigy Mounds National Monument?

Dubuque Regional (DBQ), about 53 miles away. The nearest big hub is Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP), about 160 miles.

Where should I stay near Effigy Mounds National Monument?

Prairie du Chien (4 mi, 13 places to stay), McGregor (4 mi, 10 places to stay) and Marquette (3 mi, 8 places to stay).

From locals

Inside knowledge from Marquette

Share what you know in Marquette’s Town Square.

Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · National Park Service visitor use statistics · NOAA climate normals · U.S. Census.