From 495 North take Exit 54 to Route 150

Go under the overpass towards Rt 110 (about 3/10 of a mile)

Take a LEFT onto Rt 110 (Haverhill Rd and go 1.1 miles to Kimbal Road
  > You will pass a company called "Shaheen"

Take a RIGHT onto Kimbal Road and go 1.25 miles to Lions Mouth Road. (NOTE: The street sign may say "Attitash Way".  That's to the left.  If you go right it will lead you onto Lions Mouth Road)

Go 1.2 miles on Lions Mouth Road to Woodsome Farm.

NOTE:
You will be directed as to where/how to park.  You will hike to the launch area from the parking area.  Bring everything you need as it is a long hike.  You will be directed how to get to the launch area.

Dress appropriately.  Check the weather conditions before coming out.