1 Chronicles 10:1
Now the Philistines fought against Israel; and the men of Israel fled from before the Philistines, and fell down slain in mount Gilboa.
Cross-reference
1 Chronicles 10:8 continues the account, describing the Philistines finding Saul's body the next day.
1 Samuel 31:1 is the parallel account with nearly identical wording, confirming the battle on Mount Gilboa.
1 Samuel 31:2-13 expands on the battle's outcome: Saul's sons' deaths, Saul's suicide, and Philistine desecration.
2 Samuel 1:21 is David's lament over the same battle on Mount Gilboa, cursing the mountain for Saul's fall.
2 Samuel 21:12 recounts David retrieving Saul's bones from Beth-shan after the Philistines hanged them there.
2 Samuel 1:4 gives the Amalekite's report of the battle's outcome — Saul and Jonathan dead, Israel fled.
1 Samuel 28:4 describes the Philistine camp at Shunem and Israel at Gilboa, the immediate setup for this battle.
1 Samuel 29:1 describes the Philistine assembly at Aphek, a parallel account of the same war campaign.