Exercise: They go hiking ... the hilltop

[Sitifan]

Is it acceptable to say They go hiking to the hilltop?
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Thank you very much for your reply.

[Conchita]

Yes, it is. You can say:

- They go hiking to the hilltop
- They go hiking up the hill
- They go hiking over the hill.

Keep in mind, though, that hiking suggests a strenuous walk.