The trails are located in Portage, IN (Northern Indiana). They are within the city of Portage park of Imagination Glen. There are many places to enter the trails, but two main parking areas:
WEST LOT TRAIL HEAD
West Lot Map here
Address (approximate): 2275 McCool Rd, Portage, IN 46368
Lat/Lon: 41.587699,-87.140574
Address (approximate): 2275 McCool Rd, Portage, IN 46368
Lat/Lon: 41.587699,-87.140574
Directions: After you enter the park the road will split, turn right and follow until you get to the gravel parking lot. This is the lot that most people who Mountain Bike use.
EAST LOT TRAIL HEAD
East Lot Map here
Address (approximate): 2190 North State Road 149 Portage, IN 46368 (!! Google maps sometimes shows this further south than actual location)
Lat/Lon: 41.587707,-87.140531

Address (approximate): 2190 North State Road 149 Portage, IN 46368 (!! Google maps sometimes shows this further south than actual location)
Lat/Lon: 41.587707,-87.140531

Directions: Heading south on 149, the entrance is marked by a blue sign (see pic above). You will see a stop light and an overhead bike path bridge up ahead. Heading north on 149, you’re going to go past the traffic light (lenberg rd.) and under the bike path bridge – it’ll be on the left. When you pull onto the road, you will see a BMX track on the right. The parking for the trail-head a down at the end of the road in the large paved parking lot.