Deuteronomy 27:4

And {when you cross the Jordan}, you shall set up these stones that I [am] commanding you [about] {today} on Mount Ebal, and you shall paint them with lime.

Deuteronomy 11:29-30

"And it will happen [that] when Yahweh your God has brought you to {the land that you are going to}, to take possession of it, then you shall pronounce the blessing on Mount Gerizim and the curse on Mount Ebal.

Joshua 8:30-33

Then Joshua built an altar on Mount Ebal for Yahweh the God of Israel,

Treasury of Scripture Knowledge

Summary

Therefore it shall be when ye be gone over Jordan, that ye shall set up these stones, which I command you this day, in mount Ebal, and thou shalt plaister them with plaister.

Bible References

In mount ebal

Deuteronomy 11:29
"And it will happen [that] when Yahweh your God has brought you to {the land that you are going to}, to take possession of it, then you shall pronounce the blessing on Mount Gerizim and the curse on Mount Ebal.
Joshua 8:30
Then Joshua built an altar on Mount Ebal for Yahweh the God of Israel,