Located 72 miles from Boise, Idaho is Three Island Crossing State Park. Stay in any of the 82 available campsites and enjoy access to electrical hookups and dump stations. The on-site Oregon Trail History and Education Center offers a bounty of information about the area's rich history. Enjoy fishing in the Snake River or a picnic in the shade. If you have an extra vehicle with you, take a short drive along the Oregon Trail byway, which offers dazzling views of the Three Islands. Make a reservation to guarantee a campsite!