From Rte 93:

1. Take exit 4 (Rte 102 exit) and head east on Rte 102 towards Derry.
2. Follow Rte 102 all the way to the Derry Traffic Circle, and take the second right out of the Circle onto East Derry Rd. This road runs along the left side of the Exxon Mobil Gas Station at the Circle.
3. Follow East Derry Rd for approximately 3 miles until the intersection of Olesen Rd.  Once you go past the Calvary Christian School and Church, Olesen Rd is the next road on the right. 
4. Turn right onto Olesen Rd.
5. Take the third left onto Dubeau Drive. There's a sign at the intersection of Olesen Rd and Dubeau Drive that says East Derry Memorial School.
6. Follow Dubeau Drive to the end. The field is to the left of the school up the grassy hill.