"venture down" is correct and usable in written English.
It is typically used to express an idea of going down to a lower location or level. For example: "They decided to venture down into the dark basement of the old house."
His words appeared unlikely to persuade villagers to venture down through police lines.
Below, if you venture down, you'll find a maze dotted with obstacles and treasure chests.
Now let's venture down to the hips, where you keep a wallet full of money that is rightfully mine.
The Radio 1 office situated nearby is also empty, but venture down to its studios and a whole new world unfolds.
The visitors were fighters who had risked their lives to take Bab al-Aziziya or neighbors who wanted to venture down notorious halls.
But some focused shoppers may not venture down, say, the pet food aisle, unless they know they can stock up on a bargain.
Be sure to venture down to the basement cafe space where there is a collection of vintage model kits from otaku eras past.
But this will be a one-shot affair, playing to an audience that must venture down to the local cinema and put down cash to watch it.
They plant flowers here from November to January, so when England is in the depths of winter it's the perfect time to venture down under, following the lavender trail from farm to farm.
Now, every day since the storm, he has risen shortly after dawn to venture down to the bar's back room, where he plays guitar, paints and greets guests, radiating compassion and gratitude like a mystic.
*We do not venture down from the nosebleed section during a sold-out game and ask anyone, "Is that seat taken?" *We encourage all fans under 14 to bring a baseball glove or mitt to the ballpark.
