Crossing the Costa Rica–Nicaragua Border With Kids: What It's Really Like Short answer: plan for anywhere from two hours to most of the day, bring USD in small bills, and let your kids soak it in — because this is not a boring border crossing. We've crossed the Peñas Blancas border between Costa Rica and Nicaragua multiple times, in both directions, on foot, with three boys in tow. It is chaotic, occasionally overwhelming, and genuinely one of the more memorable experiences of our time living in Central America. Our kids loved it. That probably tells you something about our family — and something about what kind of trip this is. Why You Need to Cross at All Most tourist visas for Costa Rica allow stays of up to 180 days, but the fine print matters. Depending on your nationality and how immigration officers are interpreting policy on any given week, you may be required to exit the country periodically to reset your status. The Nicaragua border run — crossing into Nicar...