From Sukhumvit road take Siam Country club road
(central Pattaya) or Chayapornviti road (Naklua)
Keep driving till you reach the lake.
Keep driving around the lake until you see the sign
Bangkok/ Khao Mai Keo (road nr. 3240) and turn
onto this road. 500 meter onto this road you'll
see the sign from Lake Mabprachan resort,
turn right and you'll see the resort.