The way points of this bicycle route:
N on MD 550 Thurmont High School 4645 Sabillasville Rd Thurmont, MD 21788
Right at Fort Ritchey
R at Fort Ritchie (stay on MD 550)
L on Pen Mar Rd (MD 550)
Start repeat, rinse, repeat, suffer
End repeat. Climb no further past the no tresspassing sign.