The phrase "although there were various" is correct and usable in written English.
It can be used to introduce a contrast or exception in a statement, often followed by a clause that elaborates on the situation.
Example: "Although there were various challenges during the project, the team managed to complete it on time."
Alternatives: "even though there were several" or "despite the presence of various".
The young widower never remarried, although there were various women in his social circle with whom he was known to be on friendly (never intimate) terms, and who, moreover, had all the qualities required to become the new Mrs. Pereda.
Although there were various takes on what being innovative in smartphone terms means now.
Although there were various interpretations of this traditional stance, Peter Auriol seems to have been the first important university scholar to provide a real alternative.
Although there were various elements to this reform, the key change for our purposes was that those claiming Income Support on grounds of disability, and thus counted in the disability roll, could now receive a higher level of payment (the Disability Premium) than those claiming Income Support on other grounds.
Although there were various misspellings throughout, the script was much closer to its final form than "Hateful Eight" appears to be now.
Although there were various small incidents, three major accidents led to a red flag for the session.
Although there are various types of industrial applications, it focuses on applying wireless technology to a retail store environment.
Although there are various problems with this mode of transport, there is no faster and fun way to get around the city.
Although there are various reasons for these differences, we have focused on the ones that can be quantified for further comparison.
Although there are various studies that explore tourist behavior in certain settings such as travel and accommodation, the impact of local food on tourist experience is often neglected.
Although there are various microorganisms producing ethanol, the best microorganisms for efficient conversion of lignocellulosic biomass into ethanol have not yet been discovered.
