Whither the tribes go up, &c.— There the tribes ascend the tribes of the Lord; there is the testimony of Israel; that they may make their acknowledgments to the name of Jehovah. The testimony of Israel means the ark. Chandler.
Related Commentaries of Psalms 122:4
Psalms 122:4
4 Whither the tribes go up, the tribes of the LORD, unto the testimony of Israel, to give thanks unto the name of the LORD.