"hiking up" is correct and usable in written English.
You can use it when referring to walking or climbing up an incline or hill. For example: "I love going hiking up into the mountains."
We know that hiking up prices works.
Which is how I came to be hiking up that streambed with Debopam in October.
It was surprisingly tiring, hiking up and down the Columbia Mountains all day.
I stayed there earlier this year after hiking up to Boiling Lake, the island's main attraction.
Another came while hiking up the Hollywood Hills with handfuls of paintbrushes.
Then I would rediscover my feet by hiking up and down this magnificent hill.
The BBC accused Davenport of hiking up the rents on the properties with as little as two weeks' notice.
Hiking up a leg of his paint-flecked jeans, he showed Mr. Stanton a scar on his calf.
He said supermarkets could also act in the short term by hiking up the price of unhealthy products.
We had considered hiking up Merapi overnight, but were warned that the trail could be treacherous in the rainy season.
"Try hiking up to Broadway Tower, across to chocolate-box Stanton or further afield to the Slaughters," she adds.
