- Lake Welch Beach is a half-mile man-made facility amidst the wooded terrain of the Ramapo Mountain Range. The higher elevations provide cool summer breezes enjoyed by swimmers, sunbathers, anglers, boaters, picnickers and hikers. The nearby Beaver Pond Campground is a popular overnight destination. Lake Welch Beach is open year-round with winter months attracting ice fishermen and snowmobilers. Pets are not permitted in the Lake Welch Beach area.