We left at 2 and headed up to Multnomah Falls . It was gorgeous but also very crowded . After that we headed back to my house where we had a barbeque . The people who all attended was my dad , Carrol , Nick , his parents , and me .
According to the above context, answer the following question.
What 's a possible reason they headed up to Multnomah falls ?


None of the above choices .