Townsville is dominated by Castle Hill, a 1,000-foot red granite mountain. Climb or drive to the top and take in panoramic views of the city from this unique geologic formation. Get a snapshot of the Great Barrier Reef without the need to get wet with a visit to Reef HQ, the largest living coral reef aquarium. Unspoiled Magnetic Island with its national park, miles of walking trails, native wildlife and secluded beaches lies just off the coast.