📜 State park with North America's only naturally formed white marble arch and human-made white marble dam. 🔍 Features a 550 million-year-old marble arch carved by glacial meltwater, a 60-foot gorge, and an abandoned marble quarry. # Why Go 🌊 Unique geological features and scenic views of the Berkshires 🚶 Family-friendly walking trails 🎶 Evening music in the quarry # Why Avoid ⚠️ Path under bridge removed in 2023 🚫 No climbing or swimming # Tips 🚗 Enter from McAuley Rd entrance. 🗓️ Open mid-May through mid-October. # Cost 💰 Parking fee applies. # Hours 🕒 Daily 9:00 AM - 4:30 PM, seasonal closure. # 🅿️ Parking Large paved lot with handicap spots. Roadside parking available if the main gate is closed. # 🚻 Toilets Accessible restrooms available. # 🐶 Dogs Leashed dogs allowed. # ♿ Accessibility Accessible parking, picnic tables, restrooms, and adaptive device trail. Note: Some paths have large rocks and a 1-inch step. # Activities Hiking, snowshoeing, fishing, tours, educational programs. # Facilities Picnic areas, grills, visitor center.