The Heidel House Resort is set beside Wisconsin's deepest lake—Green Lake. Enjoy wonderful lake views from virtually every vantage point on the 20-acre property. Boating, sailing, waterskiing, fishing, Jet Ski rentals, and other water sports can be enjoyed on the seven-and-a-half-mile-long lake. In winter, try ice fishing, ice-skating, iceboating, snowshoeing, and cross-country skiing. On-site amenities include a sauna, an…