Numbers 21:13-15
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The text is careful to note that the Arnon River serves as the border between the Amorites and Moab, clarifying that the land the Israelites are now entering, though a river's edge, had been recently conquered from Moab by the Amorites. This geographical detail is crucial because it justifies their actions: they weren't encroaching on Moabite territory as forbidden, but rather entering land taken by the Amorites, paving the way for their conflict with Sihon.
From there they set out and camped on the other side of the Arnon, which is in the wilderness that extends from the border of the Amorites, for the Arnon is the border of Moab, between Moab and the Amorites. Therefore it is said in the Book of the Wars of the LORD, “Waheb in Suphah, and the valleys of the Arnon, and the slope of the valleys that extends to the seat of Ar, and leans to the border of Moab.”
English Standard Version (ESV)
After the challenging journey around Edom and the miraculous intervention of the bronze serpent, the Israelites continue their trek. They are now camped near the Arnon River, a significant natural boundary that marks the edge of Moabite territory but was then occupied by the Amorites. This location is strategically important as they prepare to confront the Amorites and claim their land, a move explicitly permitted by God.
Ever feel like the lines between 'yours' and 'mine' are always changing? This verse sheds light on how even geographical and political boundaries are not as fixed as we might think.
This verse describes the Arnon River as a border. But notice how that border is described: it's 'between Moab and the Amorites.'
A Fluid Frontier
This teaches us that the 'borders' we see—whether national, territorial, or even personal—can be fluid. God's sovereignty operates above and beyond these lines, sometimes redrawing them for His unfolding plan.
Wilderness often evokes images of emptiness. But this verse shows wilderness as a place with defined boundaries, leading somewhere specific.
The verse locates this new campsite within a specific wilderness: "which is in the wilderness that comes out of the territory of the Amorites."
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Wilderness with Purpose
The Israelites are moving through a landscape shaped by previous conquests and political realities. This wilderness is defined not just by its lack of settlement, but by its relationship to the Amorites and its position on the border of Moab, setting the stage for their next divinely appointed action.
Understand the original words
Emori · Hebrew Noun
A powerful and prominent Canaanite people group inhabiting the mountainous regions east of the Jordan; they represent the enemies of God’s people that were to be conquered during the conquest of the Promised Land.
YHWH · Hebrew Proper Noun
Refers to the sovereign activity of the Almighty God in history; implies that human conflicts, conquests, and territorial movements are ultimately under the governance and record of the covenant Lord of Israel.
Waheb · Hebrew Proper Noun
A place name meaning "to give" or "gift," often used in the context of victory or divine apportionment in historical poetic accounts.
This verse highlights a crucial moment where Israel's path intersected with established boundaries. The Arnon River wasn't just a natural feature but a political line, recently redrawn by Amorite conquest. Understanding this context clarifies why Israel's presence there was significant and how they navigated their divine mandate to enter the land without unjustly provoking the Moabites.
c. 1400s BC
Israel Exits Egypt
After centuries of slavery, God miraculously led the Israelites out of Egypt under Moses' leadership. This event marks the beginning of their 40-year journey through the wilderness towards the Promised Land.
c. 1300s BC
Amorites Conquer Sihon's Kingdom
The Amorites, led by King Sihon, expanded their territory by conquering lands previously held by Moab, including the region north of the Arnon River. This established the Arnon as the new border between Amorite territory and the remaining Moabite lands south of the river.
c. 1300s BC
Israel Enters Transjordan
The Israelites, seeking a passage to Canaan, journeyed east of the Dead Sea. They first encountered and defeated the Amorite kingdom of Sihon, securing the land north of the Arnon River.
c. 1300s BC— this verse
Israel camps by the Arnon River
The Israelites set up camp on the northern side of the Arnon River, a significant geographical marker that served as the border between the conquered Amorite lands and the remaining territory of Moab. This location is strategic as they prepare to move further into Canaan.
This passage directly relates to the Israelites' encounter with the Amorites after crossing the Arnon, explaining that Sihon had taken the land from Moab, which justified their subsequent conquest.
Judges 11:15-26Jephthah references this very territorial dispute over the Arnon in his defense to the Ammonite king, showing how this borderland was a point of contention and historical significance.
Numbers 21:4-9This section immediately precedes the encampment at the Arnon and describes the 'fiery serpents' incident and the subsequent creation of the bronze serpent, highlighting the divine judgment and provision that occurred during this journey.
Numbers 21:21-31Following the encampment by the Arnon, the Israelites fought and conquered Sihon the Amorite king, directly impacting the control and ownership of the land around the Arnon river described in this verse.
gillNumbers 21:13: "From thence they removed, and pitched on the other side of Arnon, which is in the wilderness that cometh out of the coasts of the Amorites: for Arnon is the border of Moab, between Moab and the Amorites."
From thence they removed, and pitched on the other side of Arnon,.... A river on the borders of Moab: which is in the wilderness that cometh out of the coasts of the Amorites; according to Jarchi, they went round the land of Moab, all to the south and east, and came not into th…
calvinNumbers 21:4-20: "And they journeyed from mount Hor by the way of the Red sea, to compass the land of Edom: and the soul of the people was much discouraged because of the way."
And the people spake against God, and against Moses, Wherefore have ye brought us up out of Egypt to die in the wilderness? for there is no bread, neither is there any water; and our soul loatheth this light bread.
Itaque loquutus est populus contra Deum et Mosen, Ut quid ascendere nos fecistis ex Aegypto, ut more…
The text is careful to note that the Arnon River serves as the border between the Amorites and Moab, clarifying that the land the Israelites are now entering, though a river's edge, had been recently conquered from Moab by the Amorites. This geographical detail is crucial because it justifies their actions: they weren't encroaching on Moabite territory as forbidden, but rather entering land taken by the Amorites, paving the way for their conflict with Sihon.
After the challenging journey around Edom and the miraculous intervention of the bronze serpent, the Israelites continue their trek. They are now camped near the Arnon River, a significant natural boundary that marks the edge of Moabite territory but was then occupied by the Amorites. This location is strategically important as they prepare to confront the Amorites and claim their land, a move explicitly permitted by God.
After the challenging journey around Edom and the miraculous intervention of the bronze serpent, the Israelites continue their trek. They are now camped near the Arnon River, a significant natural boundary that marks the edge of Moabite territory but was then occupied by the Amorites. This location is strategically important as they prepare to confront the Amorites and claim their land, a move explicitly permitted by God.
"From there they set out and camped on the other side of the Arnon, which is in the wilderness that extends from the border of the Amorites, for the Arnon is the border of Moab, between Moab and the Amorites. Therefore it is said in the Boo…" — The text is careful to note that the Arnon River serves as the border between the Amorites and Moab, clarifying that the land the Israelites are now entering, though a river's edge, had been recent…
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Last reviewed October 2026
