Add page to My Herts Further actions Print this page Standalone Farm (Grade 3) Advice for walkers. Before joining your first walk, please register online and bring your reference number with you, or just turn up 10 minutes early and fill in a registration form on the day. Categories North Herts Grade 3: Moderate, 1 hour, about 3 miles, moderate hills, faster pace, possible stiles. Refreshments available nearby 3 miles, 1 hour When Every fourth Tuesday of the month at 10:30 - 11:30 Prices Child: Free Adult: Free Venue Standalone Farm, Letchworth Standalone Farm Wilbury Road Letchworth Hertfordshire SG6 1DD