1 Samuel 26:3

And Saul encamped in the hill of Hachilah, which is before the desert by the way. But David abode in the wilderness, and he saw that Saul came after him into the wilderness.

1 Samuel 23:19

Then the Ziphites came up to Saul to Gibeah, saying, Does not David hide himself with us in the strongholds in the forest, in the hill of Hachilah, which is on the south of the desert?

1 Samuel 26:1

And the Ziphites came to Saul to Gibeah, saying, Does not David hide himself in the hill of Hachilah, which is before the desert?

Treasury of Scripture Knowledge

Summary

And Saul pitched in the hill of Hachilah, which is before Jeshimon, by the way. But David abode in the wilderness, and he saw that Saul came after him into the wilderness.

Bible References

Hachilah

1 Samuel 26:1
And the Ziphites came to Saul to Gibeah, saying, Does not David hide himself in the hill of Hachilah, which is before the desert?
1 Samuel 23:19
Then the Ziphites came up to Saul to Gibeah, saying, Does not David hide himself with us in the strongholds in the forest, in the hill of Hachilah, which is on the south of the desert?