Interlaken is a freshwater dive site featuring submerged structures dating back to the late 1800s. Divers can explore these historical remains alongside the glacial moraine. The site reaches depths of up to 15 metres with visibility typically reaching 6 metres. Water temperatures remain cold, ranging from 7 to 18 degrees Celsius, making cold water immersion and hypothermia significant risks. Entry is possible via both shore and boat. The site is suitable for intermediate divers, and facilities include toilets, air fills, and guided tours. Hazards include boat traffic, entanglement, and thermoclines. Snorkelling is also possible at this location.

Pacific Tarn lake is the highest named lake in the United States, situated at an elevation of 13,420 feet. This freshwater site offers a unique high-altitude diving experience with depths ranging from 2 to 8 metres and an average depth of 5 metres. Divers access the water via the shore. Conditions are consistently cold, with summer temperatures between 10 and 15°C and near-freezing temperatures in winter. Visibility varies significantly from 1 to 15 metres. Due to the cold water, depth, and low visibility, this site is suited for intermediate divers. Typical dive times are approximately 18 minutes. Snorkelling is possible but rated 2 out of 5.

Officer's Gulch Pond is a small, deep freshwater site located near Frisco. The pond is sheltered from the wind, which often results in glassy surface conditions and manageable visibility. Divers and snorkellers can explore the submerged logs found throughout the site. Access is via a shore entry, and the location includes parking facilities. Due to the high altitude and freshwater environment, divers should be prepared for cold water conditions. The site is suitable for beginners, with typical dives lasting approximately 30 minutes. Snorkelling is possible, though it is rated 2/5 for this activity.

Jefferson Lake is a high-altitude glacial lake situated at 10,700 feet within the Denver Metro Reservoirs. The site features a distinctive underwater landscape defined by massive granite boulders that extend from the shoreline into the water. Divers and snorkellers can expect visibility ranging from 6 to 12 metres. This is a shore-entry site suitable for intermediate participants, with an average depth of 3 metres. Water temperatures are consistently cold, rarely exceeding 10°C and often dropping to 0-2°C due to the high altitude. Hazards include cold water and potential entanglement. Facilities at the site include parking and toilets.