Saturday, 14 November 2026

The Battle of Bear Valley, Arizona 1918

The Battle of Bear Valley

Arizona, 9 January 1918

Yaqui warriors of the Mexican Revolution period

Something a little different as this is a skirmish game I`ve written to try and simulate this interesting historic engagement on my tabletop. I don`t claim it is a historically accurate recreation my plan is to create a playable, enjoyable game. 

 Readers please note in the text I often refer to the US 10th Cavalry (the famous Buffalo Soldiers) as US 10th Cavalry (colored), this isn`t meant as a racist slur, but is the units actual full title in this period of history.

Background

The Battle of Bear Valley was a small engagement fought in 1918 between a band of Yaquis and a detachment of US Army soldiers. On January 9, 1918, elements of the American 10th Cavalry Regiment (colored) detected about thirty armed Yaquis in Bear Valley, west of Nogales, Arizona, a large area that was commonly used as a passage across the international border with Mexico. A short firefight ensued, which resulted in the death of the Yaqui commander and the capture of nine others. Though the conflict was merely a skirmish, it was the last time the US Army and indigenous natives engaged in combat and thus has been seen as the final official battle of the American Indian Wars!

By 1918 the Yaqui people had been at war with Mexico for several years, the former hoping to establish an independent state in Sonora, centered on the Rio Yaqui and its confluence with the Gulf of California. Many Yaquis were driven north by the war and some crossed the Arizona border to work in Tucson`s citrus groves. After receiving payment, the Yaquis would spend their money on weapons and ammunition and then return to Mexico to continue fighting. The fact that Yaquis were buying arms in Arizona and smuggling them across the border became so well known that the military governor of Sonora - General Plutarco Elias Calles, informally requested help from the United States government in dealing with the problem. Furthermore, Arizona ranchers began reporting in larger numbers their encounters with armed Yaquis on their ranch land or the finding of butchered livestock on the range. Since there was no United States Border Patrol at the time, the task of protecting the border was that of the army, which operated out of Fort Huachuca.

The Nogales, Arizona sub-district commander, Colonel J.C. Friers, 35th Infantry, responded to the reports by issuing orders to increase patrolling in the area. American forces in the area included the 35th Infantry Regiment, stationed at Camp Stephen D. Little in Nogales, and the 10th Cavalry (colored), the famed Buffalo Soldiers, who were spread out to protect the various towns near the international border. A squadron size force from the 10th Cavalry was encamped about a half mile from the 35th Infantry at Nogales and a second squadron split up to occupy Lochiel and Campini. Smaller posts were also established at Arivaca and Oro Blanco and finally a troop of about thirty men maintained a camp at Atascosa Canyon, a "strategic natural crossing" within Bear Valley

On January 8, a local cattleman and owner of the Ruby Mercantile, Philip C. Clarke, rode into camp and told Captain Ryder that his neighbor found the body of a cow in the mountains to the north and that pieces of its hide had been removed for making sandals. 

Capt. Ryder sent 1st. Lt. William Scott and First Sgt. Samuel H. Alexander with their men to watch the trails, and about midday the following day, Scott signaled that the Yaqui were in sight and on the move. Troopers rode out to the location, dismounted, and advanced in a skirmish line through a draw but didn’t see the Indians. Heading back to the horses using a different route, Ryder stumbled upon a cache of discarded packs. The Yaqui were in the immediate vicinity and knew they were being pursued. The U.S. troops continued up the canyon until suddenly the Yaquis fired on them!

My scenario

I decided to field 2 groups of Yaqui, one with pack animals carrying the arms and ammunition and the other a covering party. The US Cavalry get 3 patrols – 2 on foot and the last mounted.

The Yaqui start at the end of the arroyo (roughly in the center of the table) which was about 2ft from the southern edge of the table (I played on a small table roughly 4 x 4ft) and must get the weapons off the table moving at 3” per turn.

The cavalry commander positioned on top of a colina (hill) overlooking the river crossing directs his patrols towards the fugitives, I randomised the arrival directions of the three US patrols using the D8 system I used in my earlier games; at which point the game is on.

Yaqui

Mules train – 5 Yaqui plus mules

Cover party – 10 Yaqui (rifle armed)

US Cavalry

Elements of “E” Troop 10th Cavalry (colored) under the command of Captain Frederick H.L. "Blondy" Ryder

1st foot patrol – 1st Lieutenant William Scott & 9 troopers

2nd foot patrol – First Sgt. Samuel H. Alexander & 9 troopers

Mounted patrol – 5 mounted troopers commanded by a corporal

My table






Because this is a very simple set-up I actually played two games.

Game 1
Rolling for the US entry points got: 2, 4 & 7, so the US patrols appeared all around the Yaqui route of march. 
The mounted patrol coming from the north east
Lieutenant Scott`s foot patrol coming from the south east
And Sgt. Alexander`s foot patrol from the west 
The first two turns saw the Yaqui moving towards the river crossing and Mexico whilst the cavalry converged on them from all sides.

Turn 3 saw the first shots fired (no hits)

Turn 4 Sgt. Alexander deployed his squad to move in parallel with the Yaqui in an attempt to outflank and envelope them. 

Lt. Scott`s men advanced from the east and the mounted squad was coming in from the north east. There is lots of random firing, but no hits were scored.

Turn 5 The Yaqui have now split into two groups the mule train and the covering party. The covering indians spread out and engage the cavalry.

Sgt. Alexander`s men continue their outflanking move; Lt. Scott`s men advance straight at the enemy as do the mounted unit. In the exchange of fire, two Yaqui and two troopers are hit (one from each foot patrol) and the mounted squad decides to dismount and advance on foot.
The ex-mounted squad
Lt. Scott`s men moving to the attack

Turn 6 The Yaqui continue to engage, moving from cover to cover as they move down the arroyo, the first mule has reached the river. Sgt. Alexander`s men now have flanking positions on the Yaqui covering group; Lt. Scott`s men are playing hunt the indian among the rocks and scrub; the ex-mounted squad moves forward on foot. In the exchange of fire, the Yaqui lose another two braves without scoring any hits themselves!
Sgt. Alexander`s men on the high ground

Lt. Scott`s men among the rocks

Turn 7 Only one mules remains on the northern, US side of the river. The Yaqui covering party is in trouble being fired on from east and west with the ex-mounted squad also closing from the north. In this turns exchange two more braves fall (including the chief!), the Yaqui do hit another of Lt. Scott`s patrol.

Turn 8 the last mule escapes into Mexico, the cavalry close on the remaining Yaqui and they fail their morale check and surrender!

I declare the result a draw, obviously the casualties were far higher than the historic incident, but we must assume hits were not always fatal and unlike Hollywood, a flesh wound can still take a person out of the fight.

Game 2

I re-set the Yaqui as before and rolled for US entry, this time we get 7, 6 and 3 – so Sgt. Alexander`s men once again come in from the west, but the mounted squad are entering from the north west and Lt. Scott`s men coming in directly from the east.




Again turns 1 & 2 sees the Yaqui moving down the arroyo whilst the cavalry close in.

Turn 3 the first long range shots, the Yaqui this time draw first blood and one of Alexander`s men is hit!

Turn 4 the Yaqui continue to move down the arroyo towards the border and safety, the cavalry move closer, more shots are exchanged, another of Alexander`s men is hit, but two Yaqui also go down!

Turn 5 Lt. Scott`s men are now in the fight too, they lose a man but take two Yaqui. Alexander`s patrol loses another man in exchange for another Yaqui. The mounted squad bursts out of the arroyo into the Yaqui rear.

Turn 6 the first mule reaches the river. The Yaqui covering group are totally overwhelmed by the cavalry with both foot patrols and the mounted squad charging through them! Another of Alexander`s men is hit, but the Yaqui lose 5 men, some to close range pistol fire others to horsemen riding past.

Turn 7 the remaining Yaqui break and run, the mounted squad gallops on towards the mules.

Turn 8 the mounted squad falls upon the pack mule train, those Yaqui left north of the river flee abandoning the last mules.

A complete victory for the 10th Cavalry, though as with the first game a bit more bloody than history.

Obviously I`ve run these games solo, but I think it would work well with 2 players using blinds and maybe also with an umpire running the Yaqui again using blinds.

Historic AAR

A 10th Cavalry historian, Col. Harold B. Wharfield, interviewed fighters from both sides of the fight and wrote the following: The fighting developed into an old kind of Indian engagement with both sides using all the natural cover of boulders and brush to full advantage. The Yaquis kept falling back, dodging from boulder to boulder and firing rapidly. They offered only a fleeting target, seemingly just a disappearing shadow. The officer saw one of them running for another cover, then stumble and thereby expose himself. A corporal alongside of the captain had a good chance for an open shot. At the report of the Springfield, a flash of fire enveloped the Indian’s body for an instant, but he kept on to the rock.”

The troopers finally overtook a group of ten, who were covering for the escape of the rest of the band into Mexico, and took them captive. Ryder later wrote of the engagement that it “was a courageous stand by a brave group of Indians; and the Cavalrymen treated them with the respect due to fighting men. Especially astonishing was the discovery that one of the Yaquis was an eleven-year old boy. The youngster had fought bravely alongside his elders, firing a rifle that was almost as long as he was tall.”

Period photo of 10th Cavalry troopers at their camp near Bear Valley

One of the prisoners, the chief of the group, had been grievously wounded. “This was the man who had been hit by my corporal’s shot,” Ryder wrote. “He was wearing two belts of ammunition around his waist and more over each shoulder. The bullet had hit one of the cartridges in his belt, causing it to be exploded, making the flash of fire I saw. Then the bullet entered one side and came out the other, laying his stomach open.”

The Cavalry troopers recovered rifles, a mix of 30-30 Winchester carbines and German made Mausers, a lot of ammunition, plus powder and lead, and bullet molds.

The wounded man died the next day and the remaining nine prisoners were later sent to Tucson for trial in federal court. Charged with "wrongfully, unlawfully, and feloniously exporting to Mexico certain arms and ammunition, to wit: 300 rifle cartridges and about 9 rifles without first procuring an export license issued by the War Trade Board of the United States".

The Yaquis pleaded guilty and claimed they had not realised soldiers were US cavalry and thought they had been attacked by Mexican troops! They claimed that, they would not have fired upon the Americans if they had realised their mistake as they had no hostility to the US Army or US citizens. The prisoners were sentenced by judge William Henry Sawtelle to a mere thirty days in jail, excluding the boy whose charges were dismissed. Colonel Wharfield wrote that "the sentence was preferable to the Yaquis who otherwise would be deported to Mexico and face possible execution as rebels.






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