Thriving in the outdoors demands skills that many of us no longer have, such as building a fire or finding enough tree bark to feed your horse. Spark your instincts with this Groupon. Choose Between Two Options $32 for 5 general-admission passes to the nature park (a $65 value) $60 for 10 general-admission passes to the nature park (a $120 value) Armed with general-admission passes, visitors can roam the sprawling park's more than 35 kilometers of trails. In the winter, the 500 acres transform into a wonderland for cross-country skiing and snowshoeing. Customers are free to bring their own equipment, or can pay additional fees for rentals.