Best lakes around Bonanza Mountain Estates, an unincorporated community in Boulder County, Colorado, are situated near scenic water bodies. The area is known for its natural landscape, offering views of the Continental Divide Mountain range. It provides opportunities for outdoor recreation centered around its lakes and surrounding open spaces.
Last updated: April 30, 2026
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Barker Reservoir or Barker Meadow Reservoir is a water supply lake in Colorado. It provides water to Boulder and also powers the hydroelectric power plant located just down stream. The dam which holds back the lake was completed in 1910.
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The trail network here has numerous nontechnical singletrack trails that weave around the lake and through the forest. The trails are fast and flowy.
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Mud Lake, located in Mud Lake Open Space, is a smaller lake with restrooms, covered picnic tables, and plenty of wildlife nearby.
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The trail into Forsythe Canyon is packed, flowing, and nontechnical. The trail follows the creek as you come to the end and it spits you out on the open bed of the reservoir. You can explore the unique transformed landscape from here.
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The reservoir provides opportunities for fishing (including ice fishing), hiking, canoeing, kayaking, and some camping. No water-contact sports such as swimming or wading are allowed. This is an amazing spot to utilize the picnic areas, watch wildlife, and snag one of the trout, salmon, or muskie that are stocked here.
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Rainbow Lakes Trail, 10,000 feet at the TH; 10,250 feet at highest Rainbow Lake, is an easy-short hike that passes by a series of lakes and ponds. The ponds/lakes are well stocked and makes a great afternoon of hiking and fishing!
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Mud Lake, located in Mud Lake Open Space, is a smaller lake with restrooms, covered picnic tables, and plenty of wildlife nearby.
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For scenic hikes, consider the 3.6-mile Barker Reservoir Trail around Barker Reservoir, offering views of the lake and Rocky Mountains. Mud Lake Open Space provides easy, peaceful forest hiking with lake views on trails like the Kinnickinnick Loop (1.1 miles) and Tungsten Loop (0.8 miles). Rainbow Lakes also offers an easy, short hike past a series of lakes and ponds.
Gross Reservoir is a popular spot for fishing, including ice fishing, stocked with trout, salmon, and muskie. Barker Reservoir is excellent for shoreline fishing, with brown, cutbow, rainbow, tiger muskie, and kokanee salmon. Anglers aged 16 and older need a valid Colorado Fishing License for Barker Reservoir. Rainbow Lakes are also well-stocked for fishing.
Yes, Mud Lake in Mud Lake Open Space is very family-friendly, offering easy trails, restrooms, and covered picnic tables. Gross Reservoir also has picnic areas and opportunities for wildlife viewing, making it suitable for families. Rainbow Lakes offers an easy, short hike that families can enjoy.
At Gross Reservoir, you can enjoy canoeing and kayaking. However, water-contact sports like swimming or wading are not allowed. At Barker Reservoir, swimming, wading, and boating are prohibited as it serves as a municipal water source. Ice skating is permitted at Mud Lake when conditions allow, but swimming is not.
Yes, dogs are welcome on leash at Mud Lake Open Space, which includes trails around Mud Lake. Always ensure your dog is on a leash and follow local regulations for pet waste.
Mud Lake Open Space has a unique history related to tungsten mining, with trails named after historical elements like 'Tungsten'. The area around Barker Reservoir offers stunning views of the Continental Divide Mountain range, and the dam itself was completed in 1910, contributing to Boulder's water supply and hydroelectric power.
The lakes and surrounding open spaces are rich in wildlife. At Mud Lake Open Space, you might spot various mammal and bird species, including moose. Gross Reservoir is also a good spot for wildlife observation.
Yes, Mud Lake in Mud Lake Open Space offers restrooms, covered picnic tables, and a large pavilion for picnics. Barker Reservoir also has primitive restrooms, and Gross Reservoir provides picnic areas.
The lakes are beautiful year-round. Spring and summer are ideal for hiking, especially when wildflowers are in bloom around Barker Reservoir. Fall offers stunning foliage, particularly around Mud Lake with its aspens. Winter allows for ice fishing at Gross Reservoir and ice skating at Mud Lake.
Entry to Barker Reservoir is free, but fishermen aged 16 and older need a valid Colorado Fishing License. Access to Mud Lake Open Space is also generally free.
Beyond hiking and fishing, the area around Bonanza Mountain Estates offers a variety of outdoor activities. You can find numerous hiking routes, including easy trails like Gordon Gulch Trail and Kinnickinnick and Tungsten Loop. For cycling enthusiasts, there are routes like the Rollinsville & Barker Reservoir loop. Mountain biking trails such as Blue Dot Trail and Hobbit Trail loops are also available. You can explore more options on the Hiking around Bonanza Mountain Estates, MTB Trails around Bonanza Mountain Estates, and Cycling around Bonanza Mountain Estates guide pages.


Still not found your perfect lake around Bonanza Mountain Estates? Check out the guides of these regions to see even more beautiful places.