Launch Conditions
Use cautionLaunch with caution — limited daylight.
- Advisories
- None active
- Daylight
- Sunset 8:38 PM — under 2h
- Water level
- 5.22 ft
Live from the National Weather Service, USGS, and NOAA. A guide, not a substitute for official forecasts and your own judgment.
Live Water Conditions on Mark Twian Lake
Updated 27 min agoSource: USGS station 05507600 — Lick Creek at Perry, MO · 5 mi from Mark Twian Lake
Launch Light & Moon — June 26
local timeWaxing Gibbous (90% illuminated). Good fishing outlook — the moon is approaching a major phase.
Location
Quick Facts: Robert E Allen RA
| Location | Jefferson township, Missouri |
|---|---|
| Waterbody | Mark Twian Lake |
| Access Type | Public |
| Coordinates | 39.494920, -91.733503 |
| Hours | Check on site |
| County | Monroe County |
Robert E Allen RA is a boat launch providing access to Mark Twian Lake in Jefferson township, Missouri at coordinates 39.49492, -91.73350.
Robert E Allen RA is a boat launch on Mark Twian Lake in Jefferson township, Monroe County, Missouri. This page shows live USGS water level and temperature, sunrise, sunset, and moon-phase times for the launch, updated automatically. There are 6 other mapped boat ramps within about 15 miles if conditions here aren't right.
Related: boat ramp near Jefferson township • public launch in Monroe County • fishing access on Mark Twian Lake • Missouri boat launch
Explore more boat launches across Missouri
Buying or selling a boat?
Decode any boat's HIN free, or run a full $9.99 history report before you buy.
Frequently Asked Questions About Robert E Allen RA
What water does Robert E Allen RA access?
Robert E Allen RA provides boat launch access to Mark Twian Lake in Jefferson township, Missouri.
How do I get to Robert E Allen RA?
Robert E Allen RA is located at coordinates 39.494920, -91.733503 in Jefferson township, Missouri. Use the "Get Directions" buttons on this page to navigate with Google Maps or Apple Maps.
Get Directions
Navigate directly to this boat launch using your preferred mapping service:
Alternative Boat Launches Nearby
The area surrounding Robert E Allen RA includes 6 other public boat ramps within 2.7 mi, giving boaters flexibility in choosing their access point.