Gallery
![img](/Images/Attractions/DSC_4619.jpg)
Kaukauna Lock No. 4
![img](/Images/Attractions/DSC_4622.jpg)
Cross section of a huge Douglas fir tree near Kaukauna Lock No. 4
![img](/Images/Attractions/DSC_4625.jpg)
View of Kaukauna Lock No. 4 from the road