The phrase "a strenuous walk" is correct and usable in written English.
It can be used to describe a walk that requires significant physical effort or is physically demanding.
Example: "After a long day at work, I decided to take a strenuous walk through the hills to clear my mind."
Alternatives: "a challenging walk" or "a demanding walk."
Dr. Albright and Mr. Arafat took a strenuous walk through the long grass of her fields.
If you want to trek there instead, local guides are available (ask your hotel to recommend one) but it is quite a strenuous walk.
It's a strenuous walk, so reward yourself with a coffee and homebaking at Staffin's Columba Centre (columba1400.com/locations/staffin) – itself an interesting departure from the traditional architecture of the island – which also houses a pioneering leadership centre for disadvantaged young people.
The climb, I'm discovering, is more akin to a fairly strenuous walk.
For a less strenuous walk, start at the Bear Valley Visitor Center near the town of Olema (1 Bear Valley Road, 415-464-5100) and follow the Earthquake Trail, which winds directly over the San Andreas Fault.
It harmoniously incorporates all of the elements that make this area of Romania a memorably eclectic detour out of well-worn Transylvania: a pair of important monasteries, an intimate look at village life, immersion into the postcard-caliber, bucolic Moldavian countryside and a mildly strenuous walk through the woods.
A local taxi or strenuous walk will bring you to Castle Hill, Hungary's summer capital for nearly two centuries.
The journey begins: a several hundred miles long strenuous walk over frozen rivers and high mountains.
This led to an undergraduate summer spent on a strenuous, foolhardy walk around Syria and then a job on an archeological dig in Carchemish.
Allegedly named for the comedian Harry Fox, whose 1913 Ziegfeld Follies act included a trotting step, the fox-trot developed less strenuous walking steps for its ballroom version.
"This is one of the most strenuous walks on São Miguel, Manuell explained as we toiled up a steep gradient.
