Misdirection's to the A-site:

From Bangkok
Take Highway 7 towards Pattaya. At the junction of Highway 36, turn left onto the 36 towards Rayong and travel 6.7 km to the 331. Turn right onto the 331 by way of a U-turn on the 36 just past the 331 overpass. Take the 331 towards
Sattahip for 800 meters and turn left (HHH) onto the a-site.

From Pattaya:
Take Sukhumvit road towards Sattahip and turn left onto Wat Huay Yai road. Continue up the full length of Wat Huay Yai road (13.3 km) until you reach the T-junction of the 331. Turn left onto the 331 (HHH) and continue for 2.4 km and turn right onto the
A-site (HHH),