Photo Credit: Kimberly Bowker. Photo features Kim’s team of intrepid PNW divers. Photo taken the year before Crater Lake was closed for scuba diving. 

Ever since I heard a friend had dived Crater Lake years ago, the place has been a sort of “bucket list” destination for me. The surroundings are beautiful and the water, apparently crystal clear. I really couldn’t imagine a more beautiful place to dive. So, on a quest to find out whether it was still diveable (I’d heard otherwise though no one was 100% sure), I reached out to the National Park Service.

Sadly, when they replied, I had my confirmation. For the moment, scuba diving is not allowed at Crater Lake. Here’s the message I received:

Hello,
Thank you for your inquiry about aquatic activities at Crater Lake National Park. I hope this response answers your questions.

Swimming is allowed in Crater Lake, but the water is cold! Most people swim for only a few seconds or minutes. Swimming is permitted only at Cleetwood Cove and at Wizard Island, which requires a boat tour to reach. Swimmers must remain within 100 yards of shore. The shoreline at both locations is rocky; there are no beaches. The Cleetwood Cove Trail is the only legal access to the shore of Crater Lake. The hike is steep and strenuous: in 1.1 miles (1.7 km) it drops 700 feet (213 meters) in elevation. The trail is recommended only for those in good physical condition. Depending on snow conditions, the trail usually opens in late June and closes in late October.

Scuba diving, snorkeling, and long-distance swimming are not allowed. In the fall of 2012, after a review of potential threats posed by aquatic invasive species, the National Park Service placed a moratorium on the use of diving gear, snorkels, wet suits, flotation devices, and other equipment in Crater Lake that could serve as vectors for the introduction of non-native organisms. The moratorium will continue to be in place during the 2018 summer season.

The National Park Service wants to allow as much opportunity as possible for visitors to enjoy the lake. However, an invasion of new species could have severe consequences on the lake’s ecology. The probability of introduction may be low, but the impact might be irreversible. Preventing the establishment of these species is easier than removing them once they become pervasive. Measures that might be used in other locations, such as treating the water with pesticides, cannot be used here without permanently altering the lake’s ecology and special qualities.

We hope that you can understand our caution on this issue. We welcome your comments and suggestions.

Again, thank you for your inquiry and for your interest in Crater Lake National Park. Please let me know if I can be of further assistance.

Best Regards,
XXXXXXXXX
Park Ranger

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Written by Candice Landau
I'm a self-proclaimed scuba diving fanatic. I was certified in August 2016 and since then have not been able to get enough. I am an active Divemaster and am prepping for tech diving. These are my adventures aquatic...