Lake trip · Costilla County, Colorado
Where to stay at Mountain Home Reservoir
Mountain Home Reservoir covers 597 acres in Costilla County and is Not Rated for water quality: no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). NR is not an F. Compare cabins, resorts, and vacation rentals below. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
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Places to stay near Mountain Home Reservoir
Cabins, resorts, hotels, and vacation rentals near Mountain Home Reservoir in Costilla County, Colorado — live availability and prices. Add your dates to see totals.
Top-rated places to stay near Mountain Home Reservoir
Prices for Sep 11–13, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
About the water
Mountain Home Reservoir is Not Rated for water quality. Not Rated: no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). NR is not an F. Water clarity is about 14.4 ft of visibility. A missing letter is not a reason to skip cabins and rentals around the lake.
Best time to visit
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Check the National Weather Service forecast for Mountain Home Reservoir →
About Mountain Home Reservoir
Camping & RV near Mountain Home Reservoir
Search public campgrounds and RV sites near Mountain Home Reservoir on Recreation.gov, then compare cabins, resorts, and rentals on the map above.
Common questions
Frequently Asked Questions
Cabins, resorts, and vacation rentals around Mountain Home Reservoir in Costilla County, Colorado are on the map above with live availability and nightly prices. Waterfront rentals put you on the dock; lodging in the nearest town is usually cheaper with more choice.
Mountain Home Reservoir has no water-quality letter. Not Rated: no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). NR is not an F. That is a gap in the grading record, not a verdict on the water. Always check local health-department advisories before swimming.
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Explore Mountain Home Reservoir
Every graded lake in Colorado, ranked A–F
17.9 mi away · 30 ft
22.9 mi away · recorded at 68°F
Species activity outlook by water temperature and season
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Colorado's cleanest and most-polluted lakes, ranked
LakeQuality Lake Trip Planner (2026)
Free trip-planning guide for Mountain Home Reservoir: how to pick a clean lake, the water-quality signals that matter, best swimming and fishing windows, and where to stay.
Lodging availability and prices are provided by Stay22 and its booking partners (Booking.com, Vrbo, Expedia); LakeQuality may earn a commission from bookings at no extra cost to you. Water-quality grades are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.