The boat ramp named Lake Monona -- Olbrich Park Access is located in Madison, Wisconsin. It is a concrete boat ramp that provides access to Lake Monona, which is a freshwater lake in Dane County, Wisconsin. The ramp is approximately 20 feet wide and is suitable for launching small to medium-sized watercraft such as fishing boats, pontoons, and personal watercraft.

According to the latest information available, the Olbrich Park Access boat ramp is open year-round, from 6:00 am to 10:00 pm. The ramp is operated by the City of Madison Parks and is subject to their rules and regulations. Boaters are required to obtain a valid permit from the Parks Department, which can be purchased online or at various locations throughout the city.

The rules for using the Lake Monona -- Olbrich Park Access boat ramp are as follows:

- All boats must have current registration and display valid state registration stickers.
- Boats must be launched and retrieved from the designated ramp area only.
- All persons on board must wear a properly fitting life jacket.
- No swimming or diving is allowed from the ramp or dock areas.
- Boats must observe a "no wake" zone within 200 feet of shore.

Overall, the Lake Monona -- Olbrich Park Access boat ramp is a well-maintained facility that provides easy access to Lake Monona for boaters of all skill levels. Its central location and ample parking make it a popular spot for fishing, water sports, and other recreational activities.