Salam.
This is interesting. I also believe Qur'an becca is a reference to OT becca.
However I did not know that there is any evidence / theory that OT becca is in or around Jerusalem.
Do you have any supporting?
May Allah guide us all to the straight route.
Arman
There is no direct evidence only indirect.
The indirect evidence in OT is as follows:
"Who passing through the valley of Baca make it a well; the rain also filleth the pools."
The word Baca occurs rarely in the Bible; it is also found in 2 Samuel 5:23,24 and 1 Chronicles 14:14,15 where it identifies a valley in which David fought the Philistines. The word Baka describes a bush, probably a Balsam bush but translated in the AV as a mulberry tree.
In 2 Samuel and 1 Chronicles the valley of Baka is a valley full of balsam bushes near the valley of Rephaim. This is to the southwest of Jerusalem and forms an approach route to the city. The Philistines encamped in Rephaim to attack Jerusalem (2 Samuel 5:17,18), which shows that it is not in Arabia and David attacked Philistines who were encamped in the valley of Rephaim from the Valley of Baca (2 Sam. 5:23,24; 1 Chron. 14:14,15). Therefore the valley of Baka is near Jerusalem. It is clearly not in Arabia.
The Psalm is in praise of the house of God (the temple) in Jerusalem. Verses 5-7 describe the last part of the ascent of pilgrims to this house; the particular pilgrims ascend from the south west through the valley of Baca.
Psalm 84:6 describes a well made by the pilgrims. The well Zam-zam in Mecca was not made by pilgrims.
The valley is filled with pools of water by the rains. Mecca is very dry all the year round; it virtually never finds itself surrounded by pools of standing water left by rains.
The end of the pilgrimage is Zion (v. 7). This is, of course, Jerusalem and not Mecca.
http://bibleatlas.org/regional/valley_of_rephaim.htmThe wells are interesting, I relate them to
https://en.wikipedia.org/wiki/Solomon%27s_Pools

Compare these images to the zam zam well, which can hardly be imagined to be a pool.
Peace