The phrase "a return trip down" is correct and usable in written English.
It can be used when describing a journey that involves going back to a previous location, often after having traveled away from it.
Example: "After spending a week in the mountains, we began our return trip down the winding roads."
Alternatives: "a round trip back" or "a journey back down".
Played just three months after England retained the Ashes on home soil with a 3-0 victhey, the return trip down under was widely seen as a chance to make history with a fourth successive series win for the first time since the 1880s.
We prayed the battery would last until the return trip down!
Then, their vows exchanged and their return trip down the aisle complete, Mr. and Ms. Vitt proceeded to the next order of business: "September" by Earth, Wind and Fire, their first dance as spouses, hetero variety.
We are satisfied there are no other casualties and that only one gondola was involved". About 50 people, most of them elderly, were due to board the gondolas for the return trip down the mountain but were taken by helicopter instead.
F.R.G.S., also a member of the Alpine Club, who was one of the party, said: "Kilimanjaro was not likely to terrorise Miss MacDonald, who calmly contemplates a return trip alone down the Nile, and who is at present on safari, routing out particularly obstreperous lions on the southern game preserve". Major O. Lennox Browne, a mountaineer of some experience, was the third member of the party.
The heat shield for the Orion space capsule is making a return trip to NASA Langley Research Center — this time for splash-down tests after its successful maiden flight in December.
Shanahan played down the notion that he was trying to create mental images of a return trip to Houston in the postseason.
Meyer describes a return trip from Rome as a "scribble fest". An eight-hour plane trip wasn't enough time to write down all of the ideas he was bringing home.
