A heavenly court convenes for a piercing trial, calling all of creation to serve as witnesses in a historic dispute between God and His people. The prophet urgently begs the Israelites to listen to the divine message. The purpose of this confrontation is to prove that God has always desired what is best for them. Any misfortune they have experienced is the direct result of their own actions, rather than a change in His will [אברבנאל]. To make this case, the prophet is commanded to hasten and direct his argument toward the mountains and the surrounding hills.
The primary approach among commentators is that this is an appeal to the forces of nature. Because the leaders of the nation refused to listen to previous warnings, God chooses the natural world to act as an alternative judge [מלבי״ם]. The prophet is instructed to raise his voice in a public rebuke so powerful that, metaphorically speaking, even the silent terrain will hear the dispute [מצודת דוד, אברבנאל]. This summons to nature serves as a reminder that all of creation has witnessed both the immense good God has done for the Israelites and the ingratitude they have shown in return [רד״ק]. Others take a more practical view, suggesting the prophet is simply instructed to deliver his message to the inhabitants living in these elevated regions [ביאור שטיינזלץ], or to confront the people directly while they are physically located in the mountains [אבן עזרא].
Beyond the physical landscape, these elements carry deep symbolic meaning tied to the roots of the nation. The mountains represent the Patriarchs—Abraham, Isaac, and Jacob—while the hills represent the Matriarchs—Sarah, Rebecca, Rachel, and Leah. God calls upon the ancestors to attend the trial, allowing them to see firsthand how their children have repaid His great kindness with wrongdoing [רש״י, רד״ק, צאינה וראינה, אברבנאל].
From another conceptual perspective, the terrain symbolizes the heavenly systems, constellations, and the fixed laws of destiny. God conducts this trial in front of these cosmic forces to prove that their power is meaningless against the Israelites. The dispute emphasizes that God actively intervened in nature, freed the nation from the constraints of destiny, and elevated them above ordinary natural laws by giving them the Torah [אהבת יהונתן].