Harvalem (Arvalem) Waterfall. A short distance from the regional town of Bicholim, along the road from Mayem Lake, is the village of Sanquelim. The Arvalem or Harvalem waterfalls, which cascades down from the mountains, from a height of 50 metres, is one of the most awe-amazing spots. It is situated at about 2 km from the small town of Sanquelim and 8 km from Bicholim, in North Goa. The Arvalem Waterfall is a very scenic and beautiful picnic spot.