In Kamose's third year, he embarked on his military campaign against the Hyksos by sailing north out of Thebes on the Nile.
He first reached Nefrusy, which was just north of Cusae and was manned by an Egyptian garrison loyal to the Hyksos.
A detachment of Medjay troops attacked the garrison and overran it.
The Carnavon Tablet recounted this much of the campaign, but breaks off there.
Nonetheless, Kamose's military strategy probably can be inferred.
As Kamose moved north, he could easily take small villages and wipe out small Hyksos garrisons, but if a city resisted, he could cut it off from the rest of the Hyksos kingdom simply by taking over the city directly to the north.
This kind of tactic probably allowed him to travel very quickly up the Nile.
A second stele also found in Thebes, continues Kamose's narrative again with an attack on Avaris.
Because it does not mention Memphis or other major cities to the north, it has long been suspected that Kamose never did attack Avaris, but instead recorded what he intended to do.
Kim Ryholt recently has argued that Kamose probably never advanced farther than the Anpu or Cynopolis Nome in Middle Egypt (around the Faiyum and the city of Saka) and did not enter either the Nile Delta, nor Lower Egypt proper.

According to the second stele, after moving north of Nefrusy, Kamose's soldiers captured a courier bearing a message from the Hyksos king Awoserre Apopi at Avaris to his ally, the ruler of Kush, requesting the latter's urgent support against Kamose.
Kamose promptly ordered a detachment of his troops to occupy and destroy the Bahariya Oasis in the western desert, which controlled the north-south desert route.
Kamose, called "the Strong" in this text, ordered this action to protect his rearguard.
Kamose then sailed southward, back up the Nile to Thebes, for a joyous victory celebration after his military success against the Hyksos in pushing the boundaries of his kingdom northward from Cusae past Hermopolis through to Sako, which now formed the new frontier between the seventeenth dynasty of Thebes and the fifteenth dynasty Hyksos state.

Ryholt notes that Kamose never claims in his second stela to attack anything in Avaris itself, only "anything belonging to Avaris (nkt hwt-w'rt, direct genitive) i.e., the spoil [of war] which his army has carried off" as lines 7-8 and 15 of Kamose's stela—the only references to Avaris here—demonstrate:  
Line 7-8: I placed the brave guard-flotilla to patrol as far as the desert-edge with the remainder (of the fleet) behind it, as if a kite were preying upon the territory of Avaris.

Line 15: I have not overlooked anything belonging to Avaris, because it (the area which Kamose was plundering) is empty.

The Second Stela of Kamose is well known for recounting that a Hyksos messenger was captured with a letter from Apophis—appealing for aid from the king of Kush against Kamose—while travelling through the western desert roads to Nubia.
The final evidence that this king's military activities affected only the Cynopolite nome, and not the city of Avaris itself, is the fact that when Kamose returned the letter to Apophis, he dispatched it to Atfih which is about a hundred miles south of Avaris.
Atfih, hence, formed either the new border or a no-man's land between the now shrunken Hyksos kingdom and Kamose's expanding seventeenth dynasty state.
Furthermore, Kamose states in his second stele that his intention in returning the letter was for the Hyksos messenger to inform Apophis of the Theban king's victories "in the area of Cynopolis which used to be in his possession."
This information confirms that Kamose confined his activities to this Egyptian nome and never approached the city of Avaris itself in his Year 3.
In Kamose's third year, he embarked on his military campaign against the Hyksos by sailing north out of Thebes on the Nile. He first reached Nefrusy, which was just north of Cusae and was manned by an Egyptian garrison loyal to the Hyksos. A detachment of Medjay troops attacked the garrison and overran it. The Carnavon Tablet recounted this much of the campaign, but breaks off there. Nonetheless, Kamose's military strategy probably can be inferred. As Kamose moved north, he could easily take small villages and wipe out small Hyksos garrisons, but if a city resisted, he could cut it off from the rest of the Hyksos kingdom simply by taking over the city directly to the north. This kind of tactic probably allowed him to travel very quickly up the Nile. A second stele also found in Thebes, continues Kamose's narrative again with an attack on Avaris. Because it does not mention Memphis or other major cities to the north, it has long been suspected that Kamose never did attack Avaris, but instead recorded what he intended to do. Kim Ryholt recently has argued that Kamose probably never advanced farther than the Anpu or Cynopolis Nome in Middle Egypt (around the Faiyum and the city of Saka) and did not enter either the Nile Delta, nor Lower Egypt proper. 
According to the second stele, after moving north of Nefrusy, Kamose's soldiers captured a courier bearing a message from the Hyksos king Awoserre Apopi at Avaris to his ally, the ruler of Kush, requesting the latter's urgent support against Kamose. Kamose promptly ordered a detachment of his troops to occupy and destroy the Bahariya Oasis in the western desert, which controlled the north-south desert route. Kamose, called "the Strong" in this text, ordered this action to protect his rearguard. Kamose then sailed southward, back up the Nile to Thebes, for a joyous victory celebration after his military success against the Hyksos in pushing the boundaries of his kingdom northward from Cusae past Hermopolis through to Sako, which now formed the new frontier between the seventeenth dynasty of Thebes and the fifteenth dynasty Hyksos state.
Ryholt notes that Kamose never claims in his second stela to attack anything in Avaris itself, only "anything belonging to Avaris (nkt hwt-w'rt, direct genitive) i.e., the spoil [of war] which his army has carried off" as lines 7-8 and 15 of Kamose's stela—the only references to Avaris here—demonstrate:  
Line 7-8: I placed the brave guard-flotilla to patrol as far as the desert-edge with the remainder (of the fleet) behind it, as if a kite were preying upon the territory of Avaris.
Line 15: I have not overlooked anything belonging to Avaris, because it (the area which Kamose was plundering) is empty.
The Second Stela of Kamose is well known for recounting that a Hyksos messenger was captured with a letter from Apophis—appealing for aid from the king of Kush against Kamose—while travelling through the western desert roads to Nubia. The final evidence that this king's military activities affected only the Cynopolite nome, and not the city of Avaris itself, is the fact that when Kamose returned the letter to Apophis, he dispatched it to Atfih which is about a hundred miles south of Avaris. Atfih, hence, formed either the new border or a no-man's land between the now shrunken Hyksos kingdom and Kamose's expanding seventeenth dynasty state. Furthermore, Kamose states in his second stele that his intention in returning the letter was for the Hyksos messenger to inform Apophis of the Theban king's victories "in the area of Cynopolis which used to be in his possession." This information confirms that Kamose confined his activities to this Egyptian nome and never approached the city of Avaris itself in his Year 3.
Kamose