Can I drop off my 13 year old son and his friend and not be at entry with them but can they still get in?

Hotel

1 Keewaydin Dr, Salem, NH 03079, USA

Sporting goods store

77 Rockingham Park Blvd, Salem, NH 03079, USA

Restaurant

99 Rockingham Park Blvd, Salem, NH 03079, USA

Drug store

53 S Broadway, Salem, NH 03079, USA

Rest stop

I-93 Northbound, Salem, NH 03079, USA

Department store

203 S Broadway, Salem, NH 03079, USA

Vaporizer store

141 Main St #3, Salem, NH 03079, USA

National forest

48 Shadow Lake Rd, Salem, NH 03079, USA