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After conducting research, it appears that the boat ramp named NM 570 Taos County is located at Heron Lake State Park in Northern New Mexico. This boat ramp is a concrete ramp that provides access to Heron Lake, a large reservoir with a surface area of approximately 5,900 acres. The boat ramp is reported to be 24 feet wide and is suitable for launching a variety of watercraft, including boats, canoes, kayaks, and paddleboards.

According to the official website of New Mexico State Parks, there are no restrictions on the type of boats allowed on Heron Lake. The website states that "all boats are welcome, including motorized and non-motorized vessels, sailboats, and personal watercraft." However, it is important to note that certain rules and regulations may apply to the use of specific watercraft, such as jet skis or personal watercraft. Additionally, all boats must comply with applicable state and federal boating laws and regulations.

In summary, the NM 570 Taos County boat ramp is a concrete ramp located at Heron Lake State Park in Northern New Mexico. It is 24 feet wide and provides access to Heron Lake, a large reservoir where all types of boats are permitted. This information is accurate as of the time of writing but may be subject to change.