There is a mikveh in Bethlehem, NH. The mikveh is next door to the New Arlington Hotel and is associated with Congregation Machzikei Hadath.

The shul and mikveh open in July.

Congregation Machzikei Hadath
The Congregation and Mikvah are separate.
31 Lewis Hill Road (off Main Street)
Bethlehem, NH 03574

(Summer only)
Call for Appointment