The identification of Avaris with el-Arish is detailed in Ages in Chaos, Vol. I, Ch. 2.
A plan to survey and dig on the site met an opposition on the part of Dr. Aviram, director of Antiquities in Israel.
It is quite probable that the Hyksos (Amalekites) hid their gold in the ground before the surrender. Therefore excavation may bring out important findings.
The river bed (of Wadi el-Arish) was the scene of fighting between the besieged and the Israelites under Saul in alliance with Kamose and Ahmose, the Egyptians.
The identification of Avaris with el-Arish goes together with the identification of the Hyksos with the Amalekites.