Route 90A encloses the north of Kapsos forming a big bend from Kavousi on the west to Lastros on the east, located near the source of a S-N draining valley with Kapsos on its left and Tsigouni Gorge on its right.
Route 90A encircles the north of Kapsos, forming a significant bend from Kavousi on the west to Lastros on the east, situated near the source of a south-north draining valley with Kapsos on its left and Tsigouni Gorge on its right.