Colorado · Hiking
Hiking in Allenspark, Colorado
Allenspark sits at the southeastern edge of Rocky Mountain National Park, and the hiking here reflects that position: you get genuine alpine access without fighting the crowds that pile into Estes Park.
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View on mapHiking · 63 spots
Allenspark sits at the southeastern edge of Rocky Mountain National Park, and the hiking here reflects that position: you get genuine alpine access without fighting the crowds that pile into Estes Park. The 63 trails and routes in and around town range from flat valley walks like the Wild Basin Trail and Allenspark Trail to serious undertakings like the Chasm Lake Trail and the Longs Peak Trail via The Ledges. Most of the worthwhile destinations involve some elevation gain — Sandbeach Lake, Thunder Lake, Cony Lake, and Ouzel Lake all require sustained climbing — so even trails listed as easy or moderate will feel harder than their ratings suggest if you're coming from lower elevation. The Wild Basin trailhead is the main gateway for the southern corridor of the park, feeding routes toward Finch Lake, Pear Lake, and the Box-Eagle Lakes area. Saint Vrain Mountain Trail offers a less-trafficked alternative for hikers who want summit views without committing to a Longs Peak attempt. Allenspark itself is a small community, so plan your logistics — gas, food, permits — before you arrive rather than counting on resupplying locally.
Frequently asked questions
When is the best time of year to hike around Allenspark?
July through mid-September is the most reliable window for trails above treeline, including Chasm Lake and the upper Longs Peak Trail. Snow can linger on north-facing slopes well into June, and afternoon thunderstorms are common from late July onward, so early starts — on the trail by 6 or 7 a.m. — matter more than the calendar date. Lower routes like the Wild Basin Trail and Allenspark Trail are often accessible from May through October.
Do I need a permit or timed entry to hike in this area?
Rocky Mountain National Park requires a timed-entry permit for vehicle access during peak season, which covers the Wild Basin corridor and most trailheads feeding routes like Thunder Lake, Sandbeach Lake, and Ouzel Lake. Check the park's current reservation system before your trip because permit windows and requirements have changed in recent years. The Allenspark Trail and some roads like Sale Loop Road and Parachute Hill Road may be accessible without a park permit depending on your entry point.
How hard is the Chasm Lake Trail compared to other hikes here?
It's listed as hard and earns that rating — the trail gains significant elevation and the final approach involves route-finding on rocky terrain. It's a step up from moderate trails like Cony Lake or the Box-Eagle Lakes Route, both of which are challenging but more straightforward in terms of footing and navigation. If you haven't hiked at altitude before, do one of the easier Wild Basin routes first to gauge how your body handles the elevation.
What gear should I bring for a day hike out of Allenspark?
Layers are non-negotiable — temperatures at lake level can drop fast even in August, and exposed ridgelines above treeline get cold and windy. Bring rain gear for afternoon storms, more water than you think you need (there's no reliable resupply on most of these trails), and traction devices if you're hiking before July or after a late-season snowfall. Trails like Thunder Lake and Sandbeach Lake involve enough distance that trekking poles are worth carrying.
Are there good options for hikers who want something easy or short?
Yes — the Allenspark Trail, Saint Vrain Mountain Trail, Wild Basin Trail, and Finch Lake-Pear Lake Trail all appear in the listings as easy-rated routes. The Wild Basin Trail in particular works well for families or hikers who want a scenic valley walk without committing to a full alpine day. Keep in mind that 'easy' at this elevation still means you're starting above 8,000 feet, so pace yourself if you're coming from sea level.
