Found in the heart of the San Juan National Forest, Geyser Spring Trail takes hikers to the only geyser in Colorado.

Located 2.2 miles south of Dunton, this trail winds through aspen groves, climbing approximately 500 feet over 1.3 miles. The rugged nature of this trail earns it a moderate to difficult rating according to the US Forest Service. At the end of the trail, you’ll find a cloudy aquamarine pool that erupts approximately every 30 to 40 minutes. Find more information about this trail here.

You won’t see a massive blast at this geyser, but instead, a few bubbles. The consistency of this release is what makes this geyser so unique in the Colorado landscape. According to the Forest Service, the “eruption” consists of carbon dioxide and hydrogen sulfide boiling for 12 to 15 minutes. The water in the pool hangs around 82 degrees Fahrenheit.

Because this release of gas can displace the oxygen near the surface of the pool, getting into geyser spring “is NOT recommended,” according to the Forest Service. As the oxygen is displaced, it can result in loss of consciousness and potentially death. Visitors are warned that even being in close proximity to the geyser can cause nausea and light-headedness. There’s also a sign on-site that makes this warning less optional, using the phrase “no bathing or swimming.” In other words, DON’T GET IN.

If you choose to visit this destination, follow the principles of Leave No Trace. Consider bringing a trash bag with you to help pick up after the people that don’t.

Find a Youtube video below from Nature Girl about the experience. Editor’s Note: The creator of this video admits that they didn’t see signage until after they had gotten in the pool. We strongly recommend against doing this, as the Forest Service has made the same recommendation on the official trail website. The difference in language between the on-site sign and the official Forest Service website make it difficult to determine if getting in the pool is banned or just recommended against. Play it safe and DO NOT get in the water.

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