The phrase "a location from which" is correct and usable in written English.
It can be used to describe a specific place that serves as a starting point or reference for an action or event.
Example: "The research team set up their equipment at a location from which they could observe the wildlife without disturbing it."
Alternatives: "a point of origin" or "a site from which".
We're thinking of renting a house and would like a location from which to take a few day trips.
The problem is that the warehouse is simply too distant a location from which to launch raids with any element of surprise.
When it was decided to restart Hammer film production after the war, it fell to Tony to find a location from which to operate.
Such reflectors are used in parabolic microphones to collect sound from a distant source or to choose a location from which sound is to be observed and then focus it onto a microphone.
However, in the absence of external input, the equilibrium activity bump drifts over the megamap [10], so it is important to choose (textbf{x}_{k}) to be a location from which activity bumps do not drift.
He apparently never inspected the landing area at the north end of Lake George, which was a location from which he could contest the British landing.
Aerodrome is a collective term for any location from which flying operations take place, although more specific terminology can be used to characterise its purpose.
Precedence is then given to any location from which the fire may spread to a neighbouring structure.
In a warehouse that uses dual-command operations, workers travel loaded from the pickup and deposit (P&D) point first to a location to store a pallet, then to a second location from which they pick a pallet and return to the P&D point.
As you get closer and closer to the mass's location, space becomes more severely curved, eventually leading to a location from within which even light cannot escape: the event horizon.
But Rio did not have a predetermined location from which the mayor could monitor the situation and oversee a response.
