Best lakes around Mountainside are found within its own Echo Lake Park and the adjacent Watchung Reservation. Mountainside, New Jersey, is a borough in Union County that provides access to natural recreational areas. The area features a variety of lakes, ponds, and reservoirs, offering diverse outdoor activities. These natural landscapes contribute to the region's appeal for outdoor enthusiasts.
Last updated: April 26, 2026
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while a steep climb, great roads through nature with lots of nooks and cranies to explore.
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generally lovely ride along some lakes, with access to bike friendly trails.
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One of a pair of lakes in Echo Lake Park, Lower Echo Lake is a popular year-round destination. Pedal boating and fishing bring in visitors during the warmer months, while ice skating becomes available as the temperature drops.
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There is a path that completely circles around Orange Reservoir, which is fed entirely by the Rahway River. The flow of the river downstream is controlled by a dam that you can actually walk across on the path at the southern end of the lake.
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One of a pair of lakes in Echo Lake Park, Lower Echo Lake is a popular year-round destination. Pedal boating and fishing bring in visitors during the warmer months, while ice skating becomes available as the temperature drops.
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During the initial decades of the Watchung Reservation's existence, individuals enjoying the park had the opportunity to engage in swimming activities at a designated beach along the lake shore situated behind them. Additionally, there was a facility at this location where visitors could conveniently change into their swimwear – a bathhouse. The lake hosted aquatic carnivals that attracted a substantial number of participants, involving events such as swimming and boating.
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The Watchung Reservation is a vast parcel of protected land in Mountainside, New Jersey. There are hiking trails, parks/picnic areas, playgrounds, a Nature Center, an abandoned village, and a lake.
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During the initial decades of the Watchung Reservation's existence, individuals enjoying the park had the opportunity to engage in swimming activities at a designated beach along the lakeshore situated behind you. Additionally, there was a facility at this location where visitors could conveniently change into their swimwear – a bathhouse. The lake hosted aquatic carnivals that attracted a substantial number of participants, involving events such as swimming and boating.
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The lakes around Mountainside offer a variety of activities. You can enjoy pedal boating, fishing, and ice skating at Lower Echo Lake. Watchung Reservation, which includes lakes like Lake Surprise and Seeley's Pond, is excellent for hiking, fishing, kayaking, and boating. The area also features extensive trails for running and cycling. For specific routes, explore the Running Trails around Mountainside or Cycling around Mountainside guides.
Yes, several lakes are ideal for families. Lower Echo Lake in Echo Lake Park is a popular year-round destination with playgrounds, a dog park, and activities like pedal boating and ice skating. Warinanco Park also offers pleasant green spaces with fields and ponds suitable for families. The Watchung Reservation features picnic areas and playgrounds alongside its lakes and trails.
The lakes are enjoyable year-round. Warmer months are great for pedal boating, fishing, and hiking. Autumn is particularly beautiful around Seeley's Pond within Watchung Reservation, known for its vibrant fall foliage. In winter, Lower Echo Lake becomes a popular spot for ice skating.
Absolutely. The Watchung Reservation is home to an extensive network of hiking trails, including the picturesque Lake Surprise Loop Trail, which offers views of the lake, forest, and a waterfall. Seeley's Pond also has various footpaths perfect for jogging or walking. You can find more detailed hiking options in the Running Trails around Mountainside guide.
Yes, some lakes in the Watchung Reservation have interesting histories. Lake Surprise was created in 1845 to power a papermill and has gone through several name changes. Seeley's Pond was also created by damming the Blue Brook in the late 1800s to power a mill. The Lake Surprise Bathhouse highlight mentions the lake's past as a swimming and boating carnival site.
Many areas around the lakes are dog-friendly. Echo Lake Park includes a dedicated dog park, and the footpaths around Seeley's Pond are ideal for dog walking. The Watchung Reservation generally welcomes dogs on its extensive trail network, but always check for specific park regulations regarding leashes.
For a more peaceful and private experience, Moxon Pond within the Watchung Reservation is described as a very scenic and private spot. While it offers fishing, kayaking, and boating, its secluded nature makes it a tranquil retreat compared to more popular areas.
You'll find diverse natural beauty. Echo Lake Park features green hills, walking paths, and a scenic lake with a waterfall at Lower Echo Lake. The Watchung Reservation offers dense forests, the Blue Brook, and scenic views around lakes like Lake Surprise and Seeley's Pond, which also has a waterfall created by its dam. Orange Reservoir is fed by the Rahway River and features a path that circles the entire body of water.
While some lakes historically allowed swimming, such as Lake Surprise which once had a designated beach and bathhouse, current regulations for wild swimming can vary. It's best to check with Union County Parks and Recreation for the most up-to-date information on permitted swimming locations and safety guidelines.
The area around Mountainside offers excellent cycling opportunities. You can find routes that pass by or through the lake areas, particularly within the Watchung Reservation and around Echo Lake. For detailed routes and difficulty levels, refer to the Road Cycling Routes around Mountainside and Cycling around Mountainside guides.
Visitors appreciate the diverse recreational opportunities and natural beauty. Many enjoy the easy walking paths, the ability to engage in seasonal activities like ice skating or pedal boating, and the peaceful atmosphere for fishing or kayaking. The extensive trail networks for hiking and cycling, especially within the Watchung Reservation, are also highly valued.


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