40.9329628, -102.6356035

Jumbo Reservoir (Julesburg) State Wildlife Area Boat Ramp

Fee not yet verified Status not yet verified Public access Updated Oct 9, 2026
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Jumbo Reservoir (Julesburg) State Wildlife Area Boat Ramp is a public launch on Jumbo Reservoir in Sedgwick County, Colorado . We currently track 4 public launch sites on this waterbody.

The nearest community is Sedgwick, about 5.8 miles away. The closest larger city is Greeley, approximately 114.2 miles away. The site lies within the Julesberg Reservoir-Cottonwood Creek watershed, as defined by the EPA.

Sourced from Colorado Parks and Wildlife . See the freshness details in the sidebar.

Boat ramps on Jumbo Reservoir

We currently track 4 public boat ramps on Jumbo Reservoir , including this one. The other public launch sites on this waterbody are listed below, starting with the closest.

Nearby boat ramps in Sedgwick County

We currently track 3 public boat ramps in Sedgwick County. The closest ramps are listed below, along with the waterbody each one provides access to.

Frequently asked questions

We haven't confirmed the current launch fee with the managing agency yet - check the fee badge at the top of this page, which updates as soon as we do.

We don't yet have a confirmed parking count for this location from the managing agency.

This ramp's access type isn't specifically flagged for hand-launched craft, but a trailer ramp can generally be used to launch a kayak or canoe by hand as well.

Jumbo Reservoir (Julesburg) State Wildlife Area Boat Ramp provides access to Jumbo Reservoir, one of 4 public launch sites we track on it.

This listing is sourced from Colorado Parks and Wildlife records.

This listing was last checked against the source on July 11, 2026. The page content itself was last updated on October 9, 2026.

Quick facts

County
Sedgwick County, Colorado
Nearby places
Sedgwick (5.8 mi)
Crook (10.0 mi)
Ovid (13.1 mi)
Coordinates
40.9329628, -102.6356035 Gaia
Waterbody
Jumbo Reservoir
Access type
Public

Current weather

63°F

Wind S 9 mph

Full NWS forecast · via National Weather Service
Last updated Oct 12, 2026 at 4:36 AM

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Data freshness

How current this listing is, and how it's been maintained.

Last checked against source
July 11, 2026
Page content updated
October 9, 2026
Listed on Boat Ramp US since
October 9, 2026