Submit your application through the following links:
Natural Resources
Natural Resources
Horsetooth and Carter Lake Marina Slip Lottery
Boat owners hoping to rent a slip at Larimer County reservoirs can now enter a lottery system that ensures an open process for rental selection. The Larimer County Department of Natural Resources (LCDNR) launches a randomized lottery for available slips at Inlet Bay Marina at Horsetooth Reservoir and Carter Lake Marina at Carter Lake Reservoir.
To be entered in the 2026 marina slip lottery, boaters can submit their information from Monday, January 5 through Friday, March 6.
Carter Lake and Horsetooth office closures
UPDATE: VISITOR CENTERS WILL NOW OPEN AT NOON ON THURSDAY, MARCH 14.
Due to winter storm weather, the Larimer County Natural Resources administrative office and information center at Carter Lake and the Horsetooth Area Information Center are closed Thursday, March 14, 9 a.m. to 4 p.m.
Visitors should call (970) 619-4570 if assistance is needed.
The Larimer County Noxious Weed Management Office
OFFICE (NOT OPEN TO PUBLIC): 5450 Arena Circle, Suite 110, Loveland, CO 80538 MAP
MAILING ADDRESS: 5280 Arena Circle, Loveland, CO 80538
PHONE: (970) 498-5768
CONTACT HOURS: 9:00 AM - 4 PM, Monday - Friday (except all holidays), Closed for Lunch: 12:00 PM - 1:00 PM
HERBICIDE SALES: Call or email us to order and schedule a pickup.
Let us connect you with nature. We can provide a guided educational program for your group to experience Larimer County open spaces in a new way.
Spring School Field Trips are sold out. Check out the NOCO Beet website for other science and environmental education field trip providers in Larimer and Weld Counties.
From 2023 through 2025, Larimer County Department of Natural Resources (LCDNR) conducted "Rate Your Day," a visitor satisfaction survey designed to capture how people experience Larimer County's parks, open spaces, campgrounds, and trails. Over three seasons, more than 2,200 visitors shared their feedback, offering a candid and valuable look at what's working and where there's room to grow.
While Rate Your Day is on hiatus in 2026, visitors are always welcome to send feedback to [email protected].
Ellen Harris
Education and Volunteer Specialist
[email protected]
(970) 498-5629
Ashley Krueger
Education and Volunteer Coordinator
[email protected]
(970) 619 4592
