In addition to the lakes and facilities located at Frank Holten, the park features a diversity of plant and animal life. Shade and decorative trees include Scotch pine, maple, oak, poplar, sycamore, ginko, tulip, redbud, sweetgum and wild cherry. Water lily, lilac, arrowhead, bridal wreath, honeysuckle bush and mock orange are some of the blossoming flowers and bushes. The site is also home to rabbit, squirrel, raccoon, fox, groundhog, muskrat and mink.
Frank Holten has one of the largest day use areas in the area. The park area consists of picnic shelters, barbecue pits, sanitation facilities and drinking fountains, and can accommodate up to 2,000 patrons per day, with adequate parking for all.
A variety of refreshments are offered, including sandwiches, snack items and soft drinks. The stand is located in the golf clubhouse.
Frank Holten has two lakes - Whispering Willow Lake and Grand Marais Lake - with a combined water surface of 208 acres and 5 miles of shoreline. Wispering Willow Lake was rehabilitated in 1983 and stocked with largemouth bass, bluegill and channel catfish. Boat and bank fishing is allowed, but boat anglers must use trolling motors or motors no larger than 10 horsepower. Daily creel and length limits are in effect for some sport species. Anglers are advised to check with the site for special regulations before fishing.
Boat launch ramps are available on Wispering Willow and Grand Marais lakes.
Season hunting programs are offered at the site. For details on seasons and other site-specific hunting regulations please review the Hunter Fact Sheet.
The 18-hole Grand Marais Golf Course, an athletic field, cross country course, basketball courts and a baseball diamond are among other attractions at Frank Holten. For more information on the golf course and Lighthouse Restaurant, check the website at www.grandmaraisgolf.com.