Unfortunately, as an AI language model, I do not have access to the internet to browse through multiple independent sources. However, I can provide a general summary of Eagle Rock Park in the state of Iowa based on the available information.

Eagle Rock Park is a scenic park located in the northeast corner of Iowa, in the town of Cascade. The park is known for its stunning views of the Mississippi River and surrounding bluffs. Visitors can enjoy hiking trails, picnicking areas, and playgrounds.

One of the main attractions of Eagle Rock Park is the Eagle Rock, a large limestone outcropping that rises over 200 feet above the river. The rock offers a panoramic view of the Mississippi River and the Iowa landscape, making it a popular spot for photography and sightseeing.

Another interesting feature of Eagle Rock Park is the nearby Cascade Pioneer Trail, a 26-mile trail that winds through the rolling hills and valleys of the area. The trail is popular with hikers, bikers, and horseback riders, and offers a variety of scenic vistas and historic sites along the way.

Visitors to Eagle Rock Park can also explore the nearby town of Cascade, which offers a variety of shops, restaurants, and cultural attractions. The town is known for its historic architecture, including the Gothic-style St. Martin's Catholic Church and the ornate Louis Sullivan-designed Farmers and Merchants Savings Bank.

The best time of year to visit Eagle Rock Park depends on personal preferences and activities. Summer is the most popular time for outdoor recreation and sightseeing, while fall offers stunning foliage and cooler temperatures for hiking and biking. Winter can be cold and snowy, but also offers opportunities for snowshoeing and cross-country skiing. Spring is a good time to see wildflowers and migrating birds.

Overall, Eagle Rock Park is a beautiful and historic destination in Iowa that offers a variety of outdoor recreation, sightseeing, and cultural activities for visitors of all ages and interests.