Prior to the outbreak, the ravine was one of many of its kind found throughout Virginia.
After the start of the conflict between the Whisperers and the Coalition, Alpha had her people lead a massive herd into the ravine in order to use the walkers as a weapon if need be. It is unknown how she managed to do it undetected.
After massacring the people she kidnapped from the trade fair, Alpha leads Daryl Dixon to a cliff overlooking the ravine. Alpha warns Daryl that if his people cross the border and break her rules, she will have her people unleash the horde upon the communities.
Between the time Alpha shows the horde to Daryl and a year later, she manages to remove the horde from the ravine undetected.
After the firefighting efforts at the Satellite Crash Site, Daryl returns to the cliff with Carol Peletier to check for any signs of the horde due to fears that the Whisperers are back. The ravine is still empty, but after Daryl leaves, Alpha emerges from the trees bordering the ravine and she and Carol glare at each other.
Returning to the area with the Whisperers and her horde, Alpha notices something nearby and enters the ravine where she spots Carol on the nearby cliff, leading to the two women exchanging glares.
- Many unnamed Whisperers (Formerly)