NATIONAL PARK SERVICE · alerts
Harmful Algae Bloom
June 11, 2026 · Source: National Park Service
A Harmful Algae Bloom has been confirmed in recent water samples taken from the Nelson's Landing and the Cottonwood Cove areas on Lake Mohave. To reduce health risks, the National Park Service recommends recreators limit body contact with these waters when algae is present. Please click here for pictures of this dangerous cyanobacteria and contact the Park at 702-293-8990 for updates on this advisory.
Read the official NPS sourceWhat Travelers Need to Know
Use the official notice to confirm the affected destination, dates and visitor arrangements before finalizing your trip.
This is an archived notice. Confirm its current status on the official conditions page before traveling.
Traveler guidance by State & Nation Staff Writer.