The Grave Creek boat ramp is located in southern Oregon, specifically in the city of Rogue River. It is a concrete boat ramp that provides access to the Rogue River. According to the official website of the Oregon Department of Fish and Wildlife, the Grave Creek boat ramp is 25 feet wide and has a dock that is 20 feet long.

The Rogue River is a popular destination for boating, kayaking, and fishing. The Grave Creek boat ramp provides access to the upper section of the river, which is known for its scenic beauty and excellent fishing opportunities. The river is home to several species of fish, including salmon, steelhead, and trout.

As for the types of watercraft allowed on the Rogue River, the Oregon Department of Fish and Wildlife states that any motorized or non-motorized vessel is allowed, including rafts, kayaks, canoes, and powerboats. However, they do caution that during peak summer season, the river can become crowded, and boaters should be aware of other vessels and adjust their speed accordingly.

In summary, the Grave Creek boat ramp is a concrete boat ramp located in Rogue River, southern Oregon. It is 25 feet wide and provides access to the upper section of the Rogue River, which allows for various types of watercraft, including motorized and non-motorized vessels.