Psalm 68:15
The hill of God is as the hill of Bashan; an high hill as the hill of Bashan.
Cross-reference
Psalm 24:3
Parallel
Psalm 24:3 asks who may ascend the hill of the LORD, directly using the same phrase as the main verse's 'hill of God'.
Psalm 2:6
Contrast
Psalm 2:6 declares God's king on Zion, the mountain God chose, contrasting with the many-peaked mountain of Bashan in Psalm 68:15.
Deuteronomy 3:10
Historical context
Deuteronomy 3:10 lists Bashan as a region of Og's kingdom, providing the geographical context for the mountain mentioned.
Numbers 21:33
Historical context
Numbers 21:33 recounts Israel's battle with Og of Bashan, directly referencing the same region as the main verse.