The trails at Chicopee Woods offer an excellent variety of short and longer hikes that follow quiet forest creeks and provide some much needed solitude. The two longer 3-mile loops I've split out as separate hikes. See the Bridge Loop, the Lake Loop, and the two loop combo. This page describes the rest of the trails, which are much shorter but can be combined in a variety of ways with the other trails for a longer adventure.
As a trail system with several trailheads, there is no right or wrong way to approach this so I'm just going to describe each trail. There are also several side trails to the creeks and between the different trails. Some are marked in black on the map below. All other trails are shown as their blaze color. All intersections have trail markers with the blaze color and trail name and a maps showing the current intersection you're at. Getting lost will be a challenge here.
Of the small trails, the .6 mile red-blazed Dodd Loop is the most rugged, dropping down to Walnut Creek and back up again. Along the creek there are several side trails to explore around. Look for the trailheads to the left of the main entrance as well as at the end of the paved road on the right before the parking lot. The Dodd Loop trail is the one used for the elevation map and slope below.
At .4 miles long, the tan-blazed Geiger Trail is the only paved trail in the park. Heading from the paved road on the right before the parking lot to around the back of the Science Center. A small platform looks down toward Walnut Creek.
Following along smaller creeks, the .4 mile yellow-blazed Elachee Creek Loop begins and ends along the Geiger Trail near the beginning starting from the parking lot. It also connects with the Bridge Loop and Dodd Loop for short sections, so there are multiple ways to incorporate it into your hike.
The .3 mile blue-blazed Ridge Trail connects between the Dodd Loop and the Bridge Loop. Use this to make a longer loop or connect from other trailheads.