The tense of a verb states whether something happened in the present, past, or will happen in the future.
We hiked the mountain after a long ride in a junky bus.
The word hiked shows that this action happened in the past, so this would be the tense of the verb.
Answer: Hiked
Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia